Reduced PriceOffersContact UsHelpTrack Orders
Home
Login
Register
My Account
0
0 ItemsHK$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      INFINEON
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      ALPHAWIRE
      OMEGA
      NI-EMERSON
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View All Manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn More
      • Resources
      • Services
        • Custom Components
        • Purchasing & Procurement support
        • Design Resources
        • Production & Contract Manufacturing Services
        • Education Hub
        • Education Kits
        • Facilitates & Operation Support
        • Packaging Solutions
        View All Services
        Technical Resources
        • DevKit HQ
        • Artificial Intelligence
        • Internet of Things
        • Security & Surveillance
        • Healthcare
        • OEM Solutions
        • EV Charging
        • Transportation
        • Industrial Automation
        • Robotics
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Motor Control
        • Calculators & Charts
        • Engineering Glossary
        View All Tech Resources
        Help
        • Contact Us
        • New To element14
        • Technical Support
        • Delivery Information
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchasing & Procurement support
              • Design Resources
                • Production & Contract Manufacturing Services
                  • Education Hub
                    • Education Kits
                      • Facilitates & Operation Support
                        • Packaging Solutions
                          • View All Services
                          • Technical Resources
                            • Back to Technical Resources
                            • DevKit HQ
                              • Artificial Intelligence
                                • Internet of Things
                                  • Security & Surveillance
                                    • Healthcare
                                      • OEM Solutions
                                        • EV Charging
                                          • Transportation
                                            • Industrial Automation
                                              • Robotics
                                                • Maintenance & Safety
                                                  • Wireless Technology
                                                    • Sensor Technology
                                                      • Power Management
                                                        • Motor Control
                                                          • Calculators & Charts
                                                            • Engineering Glossary
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To element14
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Legislation and Environmental
                                                                          • FAQ's
                                                                            • Feedback
                                                                              • View All Help
                                                                            • Communities
                                                                            • element14
                                                                              Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                              hacksterio
                                                                              Hackster is a community dedicated to learning hardware.
                                                                              • Back to Communities
                                                                              • element14
                                                                                • Hackster.io
                                                                                • Bill of Materials (BOM) Upload
                                                                                  • Tools
                                                                                  • Quick Buy
                                                                                    Parts List (BOM) Upload
                                                                                    Request a Quote
                                                                                    All Buying Tools
                                                                                    • Back to Tools
                                                                                    • Quick Buy
                                                                                      • Parts List (BOM) Upload
                                                                                        • Request a Quote
                                                                                          • All Buying Tools
                                                                                          • Offers
                                                                                            • Contact Us
                                                                                              • Help
                                                                                                • Reduced Price
                                                                                                  1. Home
                                                                                                  2. Semiconductors - ICs
                                                                                                  3. Microcontrollers
                                                                                                  4. 8-bit Microcontrollers
                                                                                                  5. EFM8 Family EFM8BB3 Series Microcontrollers 8-bit Microcontrollers

                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers 8-bit Microcontrollers:

                                                                                                  9 Products Found
                                                                                                  View
                                                                                                  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
                                                                                                  Qualification
                                                                                                  Packaging
                                                                                                  Filter(s) Applied
                                                                                                  1 Filter(s) Selected
                                                                                                  ComparePrice ForQuantity
                                                                                                  EFM8BB31F16I-D-QFN32R
                                                                                                  SILICON LABS EFM8BB31F16I-D-QFN32R
                                                                                                  3856052

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 49 MHz
                                                                                                  5. 16 KB
                                                                                                  6. 32 Pins
                                                                                                  7. QFN
                                                                                                  Each (Supplied on Full Reel)
                                                                                                  Full Reel
                                                                                                  2500+
                                                                                                  HK$7.900
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  49MHz
                                                                                                  16KB
                                                                                                  32Pins
                                                                                                  QFN
                                                                                                  29I/O's
                                                                                                  I2C, SPI, UART
                                                                                                  2.25KB
                                                                                                  20Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  125°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB
                                                                                                  -
                                                                                                  EFM8BB31F64G-D-QFN32
                                                                                                  SILICON LABS EFM8BB31F64G-D-QFN32
                                                                                                  3625376

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 64 KB
                                                                                                  6. 32 Pins
                                                                                                  7. QFN
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$19.670
                                                                                                  10+
                                                                                                  HK$15.310
                                                                                                  50+
                                                                                                  HK$14.540
                                                                                                  100+
                                                                                                  HK$13.770
                                                                                                  250+
                                                                                                  HK$12.320
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  64KB
                                                                                                  32Pins
                                                                                                  QFN
                                                                                                  29I/O's
                                                                                                  I2C, SMBus, SPI, UART
                                                                                                  4.25KB
                                                                                                  20Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB
                                                                                                  -
                                                                                                  EFM8BB31F64G-D-QFP32
                                                                                                  SILICON LABS EFM8BB31F64G-D-QFP32
                                                                                                  3625377

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 64 KB
                                                                                                  6. 32 Pins
                                                                                                  7. QFP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$22.670
                                                                                                  10+
                                                                                                  HK$18.980
                                                                                                  25+
                                                                                                  HK$17.620
                                                                                                  50+
                                                                                                  HK$16.720
                                                                                                  100+
                                                                                                  HK$15.820
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  64KB
                                                                                                  32Pins
                                                                                                  QFP
                                                                                                  28I/O's
                                                                                                  I2C, SMBus, SPI, UART
                                                                                                  4.25KB
                                                                                                  20Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB
                                                                                                  -
                                                                                                  EFM8BB31F16G-D-QFN32
                                                                                                  SILICON LABS EFM8BB31F16G-D-QFN32
                                                                                                  4204832

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 16 KB
                                                                                                  6. 32 Pins
                                                                                                  7. QFN-EP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$13.170
                                                                                                  10+
                                                                                                  HK$10.350
                                                                                                  50+
                                                                                                  HK$9.800
                                                                                                  100+
                                                                                                  HK$9.240
                                                                                                  250+
                                                                                                  HK$8.210
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  16KB
                                                                                                  32Pins
                                                                                                  QFN-EP
                                                                                                  29I/O's
                                                                                                  I2C, SPI, UART
                                                                                                  2.25KB
                                                                                                  20Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB3
                                                                                                  AEC-Q100
                                                                                                  EFM8BB31F64I-D-4QFN24
                                                                                                  SILICON LABS EFM8BB31F64I-D-4QFN24
                                                                                                  4204833

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 64 KB
                                                                                                  6. 24 Pins
                                                                                                  7. QFN-EP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$34.540
                                                                                                  10+
                                                                                                  HK$20.870
                                                                                                  50+
                                                                                                  HK$19.290
                                                                                                  100+
                                                                                                  HK$17.710
                                                                                                  250+
                                                                                                  HK$16.850
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  64KB
                                                                                                  24Pins
                                                                                                  QFN-EP
                                                                                                  20I/O's
                                                                                                  I2C, SPI, UART
                                                                                                  4.25KB
                                                                                                  12Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  125°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB3
                                                                                                  AEC-Q100
                                                                                                  EFM8BB31F64I-D-5QFN32
                                                                                                  SILICON LABS EFM8BB31F64I-D-5QFN32
                                                                                                  4204834

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 64 KB
                                                                                                  6. 32 Pins
                                                                                                  7. QFN-EP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$36.260
                                                                                                  10+
                                                                                                  HK$21.810
                                                                                                  50+
                                                                                                  HK$20.190
                                                                                                  100+
                                                                                                  HK$18.560
                                                                                                  250+
                                                                                                  HK$17.620
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  64KB
                                                                                                  32Pins
                                                                                                  QFN-EP
                                                                                                  29I/O's
                                                                                                  I2C, SPI, UART
                                                                                                  4.25KB
                                                                                                  20Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  125°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB3
                                                                                                  AEC-Q100
                                                                                                  EFM8BB31F64I-D-QFN32
                                                                                                  SILICON LABS EFM8BB31F64I-D-QFN32
                                                                                                  4204835

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 64 KB
                                                                                                  6. 32 Pins
                                                                                                  7. QFN-EP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$35.230
                                                                                                  10+
                                                                                                  HK$21.290
                                                                                                  50+
                                                                                                  HK$19.670
                                                                                                  100+
                                                                                                  HK$18.050
                                                                                                  250+
                                                                                                  HK$17.100
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  64KB
                                                                                                  32Pins
                                                                                                  QFN-EP
                                                                                                  29I/O's
                                                                                                  I2C, SPI, UART
                                                                                                  4.25KB
                                                                                                  20Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  125°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB3
                                                                                                  AEC-Q100
                                                                                                  EFM8BB31F64G-D-QSOP24
                                                                                                  SILICON LABS EFM8BB31F64G-D-QSOP24
                                                                                                  3625378

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 64 KB
                                                                                                  6. 24 Pins
                                                                                                  7. QSOP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$33.440
                                                                                                  10+
                                                                                                  HK$19.080
                                                                                                  50+
                                                                                                  HK$18.650
                                                                                                  100+
                                                                                                  HK$18.220
                                                                                                  250+
                                                                                                  HK$17.100
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  64KB
                                                                                                  24Pins
                                                                                                  QSOP
                                                                                                  21I/O's
                                                                                                  I2C, SMBus, SPI, UART
                                                                                                  4.25KB
                                                                                                  13Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB
                                                                                                  -
                                                                                                  EFM8BB31F16G-D-QFN24
                                                                                                  SILICON LABS EFM8BB31F16G-D-QFN24
                                                                                                  4204831

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SILICON LABS
                                                                                                  1. 8 Bit MCU
                                                                                                  2. EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  3. 8051
                                                                                                  4. 50 MHz
                                                                                                  5. 16 KB
                                                                                                  6. 24 Pins
                                                                                                  7. QFN-EP
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$12.150
                                                                                                  10+
                                                                                                  HK$11.550
                                                                                                  50+
                                                                                                  HK$10.570
                                                                                                  100+
                                                                                                  HK$9.580
                                                                                                  250+
                                                                                                  HK$8.900
                                                                                                  More Pricing...
                                                                                                  EFM8 Family EFM8BB3 Series Microcontrollers
                                                                                                  8051
                                                                                                  50MHz
                                                                                                  16KB
                                                                                                  24Pins
                                                                                                  QFN-EP
                                                                                                  20I/O's
                                                                                                  I2C, SPI, UART
                                                                                                  2.25KB
                                                                                                  12Channels
                                                                                                  12Bit
                                                                                                  2.2V
                                                                                                  3.6V
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  Surface Mount
                                                                                                  EFM8
                                                                                                  EFM8BB3
                                                                                                  AEC-Q100
                                                                                                  ComparePrice ForQuantity
                                                                                                  1-9 of 9 items
                                                                                                  of 1 page(s)
                                                                                                  Customer Service
                                                                                                  Sales +852 2268 9888
                                                                                                  Technical +852 2268 9878
                                                                                                  Live Agent
                                                                                                  Submit Feedback
                                                                                                  FAQs
                                                                                                  Quick Links
                                                                                                  Track my order
                                                                                                  Order History
                                                                                                  Return a Product
                                                                                                  Delivery Information
                                                                                                  Our Company
                                                                                                  About Us
                                                                                                  Quality Policy
                                                                                                  Careers
                                                                                                  Corporate Responsibility
                                                                                                  Social Media +

                                                                                                  Subscribe to become an exclusive element14 insider!

                                                                                                  LinkedIn
                                                                                                  Twitter
                                                                                                  Facebook
                                                                                                  Norton Secured
                                                                                                  Mark of Trust ANAB
                                                                                                  BSI 9001
                                                                                                  Visa
                                                                                                  Mastercard
                                                                                                  Trade Account
                                                                                                  Privacy Statement
                                                                                                  Legal and Copyright Notices
                                                                                                  Terms & Conditions
                                                                                                  Terms of Use for API
                                                                                                  Sitemap
                                                                                                  An Avnet Company© 2026 Premier Farnell Limited. All Rights Reserved.
                                                                                                  e絡盟 is a trading name of eluomeng Limited.
                                                                                                  Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.