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                                                                                                  • Reduced Price
                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Microcontrollers
                                                                                                    4. 8-bit Microcontrollers
                                                                                                    5. EFM8 Family EFM8UB Series Microcontrollers 8-bit Microcontrollers

                                                                                                    EFM8 Family EFM8UB Series Microcontrollers 8-bit Microcontrollers:

                                                                                                    12 Products Found

                                                                                                    EFM8 Family EFM8UB Series Microcontrollers 8-bit Microcontrollers

                                                                                                    The Universal Bee family of EFM8™ microcontrollers is ideal for space constrained USB applications. Universal Bee MCUs operate at up to 50 MHz and the family includes devices with a low power USB peripheral interface, charger detect circuit, 8 kV ESD protection, and enhanced high-speed communication interfaces.

                                                                                                    • C8051 Core, Clocked Upto 50MHz
                                                                                                    • FLASH: Upto 64KB, RAM: Upto 4352B
                                                                                                    • Interfaces: Upto 2x UART, SPI, SMBus/ I2C
                                                                                                    • USB charger detect circuit (USB-BCS 1.2 compliant)
                                                                                                    • Upto 22 GPIO
                                                                                                    • Connectivity: LEUSB
                                                                                                    • 5x 16-bit timers
                                                                                                    • two analog comparators
                                                                                                    • One 12-Bit ADC
                                                                                                    • Applications: USB I/O controls, dongles, High-speed communication bridge, Consumer electronics
                                                                                                    EFM8UB1 Datasheet
                                                                                                    EFM8UB3 Datasheet
                                                                                                    SILICON LABS
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                                                                                                    Buyer
                                                                                                    Engineer
                                                                                                    Manufacturer
                                                                                                    Product Range
                                                                                                    Device Core
                                                                                                    Operating Frequency Max
                                                                                                    Program Memory Size
                                                                                                    No. of Pins
                                                                                                    IC Case / Package
                                                                                                    No. of I/O's
                                                                                                    Interfaces
                                                                                                    RAM Memory Size
                                                                                                    ADC Channels
                                                                                                    ADC Resolution
                                                                                                    Supply Voltage Min
                                                                                                    Supply Voltage Max
                                                                                                    Operating Temperature Min
                                                                                                    Operating Temperature Max
                                                                                                    IC Mounting
                                                                                                    MCU Family
                                                                                                    MCU Series
                                                                                                    Packaging
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                                                                                                    1 Filter(s) Selected
                                                                                                    ComparePrice ForQuantity
                                                                                                    EFM8UB20F64G-B-QFP48
                                                                                                    SILICON LABS EFM8UB20F64G-B-QFP48
                                                                                                    2930500

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 48 MHz
                                                                                                    5. 64 KB
                                                                                                    6. 48 Pins
                                                                                                    7. QFP
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$23.430
                                                                                                    10+
                                                                                                    HK$20.640
                                                                                                    25+
                                                                                                    HK$18.750
                                                                                                    50+
                                                                                                    HK$18.050
                                                                                                    100+
                                                                                                    HK$17.350
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    48MHz
                                                                                                    64KB
                                                                                                    48Pins
                                                                                                    QFP
                                                                                                    40I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    4.25KB
                                                                                                    32Channels
                                                                                                    10Bit
                                                                                                    2.65V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB10F16G-C-QFN20
                                                                                                    SILICON LABS EFM8UB10F16G-C-QFN20
                                                                                                    2930497

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 50 MHz
                                                                                                    5. 16 KB
                                                                                                    6. 20 Pins
                                                                                                    7. QFN
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$18.950
                                                                                                    10+
                                                                                                    HK$16.130
                                                                                                    50+
                                                                                                    HK$14.910
                                                                                                    100+
                                                                                                    HK$13.690
                                                                                                    250+
                                                                                                    HK$12.880
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    50MHz
                                                                                                    16KB
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    13I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    11Channels
                                                                                                    12Bit
                                                                                                    1.71V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB20F32G-B-QFP48
                                                                                                    SILICON LABS EFM8UB20F32G-B-QFP48
                                                                                                    3105922

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 48 MHz
                                                                                                    5. 32 KB
                                                                                                    6. 48 Pins
                                                                                                    7. QFP
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$24.250
                                                                                                    10+
                                                                                                    HK$20.310
                                                                                                    25+
                                                                                                    HK$18.420
                                                                                                    50+
                                                                                                    HK$17.680
                                                                                                    100+
                                                                                                    HK$16.940
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    48MHz
                                                                                                    32KB
                                                                                                    48Pins
                                                                                                    QFP
                                                                                                    40I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    32Channels
                                                                                                    10Bit
                                                                                                    2.7V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB20F32G-B-QFP32
                                                                                                    SILICON LABS EFM8UB20F32G-B-QFP32
                                                                                                    2748200

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 48 MHz
                                                                                                    5. 32 KB
                                                                                                    6. 32 Pins
                                                                                                    7. QFP
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$26.390
                                                                                                    10+
                                                                                                    HK$22.030
                                                                                                    25+
                                                                                                    HK$20.470
                                                                                                    50+
                                                                                                    HK$19.410
                                                                                                    100+
                                                                                                    HK$18.340
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    48MHz
                                                                                                    32KB
                                                                                                    32Pins
                                                                                                    QFP
                                                                                                    25I/O's
                                                                                                    I2C, SPI, UART, USB
                                                                                                    2KB
                                                                                                    20Channels
                                                                                                    10Bit
                                                                                                    2.65V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB11F16G-C-QSOP24
                                                                                                    SILICON LABS EFM8UB11F16G-C-QSOP24
                                                                                                    2930499

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 50 MHz
                                                                                                    5. 16 KB
                                                                                                    6. 24 Pins
                                                                                                    7. QSOP
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$30.750
                                                                                                    10+
                                                                                                    HK$29.340
                                                                                                    25+
                                                                                                    HK$27.920
                                                                                                    50+
                                                                                                    HK$26.500
                                                                                                    100+
                                                                                                    HK$25.090
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    50MHz
                                                                                                    16KB
                                                                                                    24Pins
                                                                                                    QSOP
                                                                                                    17I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    15Channels
                                                                                                    12Bit
                                                                                                    1.71V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB20F64G-B-QFP48R
                                                                                                    SILICON LABS EFM8UB20F64G-B-QFP48R
                                                                                                    3387028

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 48 MHz
                                                                                                    5. 64 KB
                                                                                                    6. 48 Pins
                                                                                                    7. QFP
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    HK$29.840
                                                                                                    10+
                                                                                                    HK$24.910
                                                                                                    25+
                                                                                                    HK$23.100
                                                                                                    50+
                                                                                                    HK$21.950
                                                                                                    100+
                                                                                                    HK$20.800
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    48MHz
                                                                                                    64KB
                                                                                                    48Pins
                                                                                                    QFP
                                                                                                    40I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    4.25KB
                                                                                                    32Channels
                                                                                                    10Bit
                                                                                                    2.7V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB10F16G-C-QFN20R
                                                                                                    SILICON LABS EFM8UB10F16G-C-QFN20R
                                                                                                    3105955

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 50 MHz
                                                                                                    5. 16 KB
                                                                                                    6. 20 Pins
                                                                                                    7. QFN
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    HK$16.940
                                                                                                    10+
                                                                                                    HK$13.240
                                                                                                    50+
                                                                                                    HK$12.540
                                                                                                    100+
                                                                                                    HK$11.840
                                                                                                    250+
                                                                                                    HK$11.020
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    50MHz
                                                                                                    16KB
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    13I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    11Channels
                                                                                                    12Bit
                                                                                                    2.2V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB10F8G-C-QFN20R
                                                                                                    SILICON LABS EFM8UB10F8G-C-QFN20R
                                                                                                    3387027

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 50 MHz
                                                                                                    5. 8 KB
                                                                                                    6. 20 Pins
                                                                                                    7. QFN-EP
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    HK$11.680
                                                                                                    10+
                                                                                                    HK$9.130
                                                                                                    50+
                                                                                                    HK$8.670
                                                                                                    100+
                                                                                                    HK$8.210
                                                                                                    250+
                                                                                                    HK$7.650
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    50MHz
                                                                                                    8KB
                                                                                                    20Pins
                                                                                                    QFN-EP
                                                                                                    13I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    11Channels
                                                                                                    12Bit
                                                                                                    2.2V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB20F64G-B-QFP48R
                                                                                                    SILICON LABS EFM8UB20F64G-B-QFP48R
                                                                                                    3387028RL

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 48 MHz
                                                                                                    5. 64 KB
                                                                                                    6. 48 Pins
                                                                                                    7. QFP
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Re-Reel
                                                                                                    Packaging Options
                                                                                                    100+
                                                                                                    HK$20.800
                                                                                                    250+
                                                                                                    HK$19.490
                                                                                                    500+
                                                                                                    HK$19.400
                                                                                                    1000+
                                                                                                    HK$18.420
                                                                                                    Min: 100 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    48MHz
                                                                                                    64KB
                                                                                                    48Pins
                                                                                                    QFP
                                                                                                    40I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    4.25KB
                                                                                                    32Channels
                                                                                                    10Bit
                                                                                                    2.7V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB10F8G-C-QFN20R
                                                                                                    SILICON LABS EFM8UB10F8G-C-QFN20R
                                                                                                    3387027RL

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 50 MHz
                                                                                                    5. 8 KB
                                                                                                    6. 20 Pins
                                                                                                    7. QFN-EP
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Re-Reel
                                                                                                    Packaging Options
                                                                                                    100+
                                                                                                    HK$8.210
                                                                                                    250+
                                                                                                    HK$7.650
                                                                                                    500+
                                                                                                    HK$7.290
                                                                                                    1000+
                                                                                                    HK$6.800
                                                                                                    2500+
                                                                                                    HK$6.290
                                                                                                    Min: 100 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    50MHz
                                                                                                    8KB
                                                                                                    20Pins
                                                                                                    QFN-EP
                                                                                                    13I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    11Channels
                                                                                                    12Bit
                                                                                                    2.2V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB10F16G-C-QFN20R
                                                                                                    SILICON LABS EFM8UB10F16G-C-QFN20R
                                                                                                    3105955RL

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 50 MHz
                                                                                                    5. 16 KB
                                                                                                    6. 20 Pins
                                                                                                    7. QFN
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Re-Reel
                                                                                                    Packaging Options
                                                                                                    100+
                                                                                                    HK$11.840
                                                                                                    250+
                                                                                                    HK$11.020
                                                                                                    500+
                                                                                                    HK$10.530
                                                                                                    1000+
                                                                                                    HK$9.460
                                                                                                    2500+
                                                                                                    HK$9.290
                                                                                                    Min: 100 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    50MHz
                                                                                                    16KB
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    13I/O's
                                                                                                    I2C, SMBus, SPI, UART, USB
                                                                                                    2.25KB
                                                                                                    11Channels
                                                                                                    12Bit
                                                                                                    2.2V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
                                                                                                    EFM8UB20F64G-B-QFN32
                                                                                                    SILICON LABS EFM8UB20F64G-B-QFN32
                                                                                                    3605203

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SILICON LABS
                                                                                                    1. 8 Bit MCU
                                                                                                    2. EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    3. 8051
                                                                                                    4. 48 MHz
                                                                                                    5. 64 KB
                                                                                                    6. 32 Pins
                                                                                                    7. QFN
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$26.390
                                                                                                    10+
                                                                                                    HK$22.030
                                                                                                    25+
                                                                                                    HK$18.830
                                                                                                    50+
                                                                                                    HK$18.340
                                                                                                    100+
                                                                                                    HK$17.840
                                                                                                    More Pricing...
                                                                                                    Min: 1 / Mult: 1
                                                                                                    EFM8 Family EFM8UB Series Microcontrollers
                                                                                                    8051
                                                                                                    48MHz
                                                                                                    64KB
                                                                                                    32Pins
                                                                                                    QFN
                                                                                                    25I/O's
                                                                                                    I2C, SMBus, SPI, UART
                                                                                                    4.25KB
                                                                                                    20Channels
                                                                                                    10Bit
                                                                                                    2.65V
                                                                                                    3.6V
                                                                                                    -40°C
                                                                                                    85°C
                                                                                                    Surface Mount
                                                                                                    EFM8
                                                                                                    EFM8UB
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