Real Time Clocks

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  Manufacturer Part No Order Code Description / Manufacturer
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Date Format Clock Format Clock IC Type Supply Voltage Min Supply Voltage Max Clock IC Case Style No. of Pins IC Interface Type Operating Temperature Min Operating Temperature Max Product Range Automotive Qualification Standard
 
 
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DS1337+
DS1337+ - RTC IC, Date Time Format (Day/Date/Month/Year ss:mm:hh), I2C, Serial, 1.8 V to 5.5 V, DIP-8

2518743

RTC IC, Date Time Format (Day/Date/Month/Year ss:mm:hh), I2C, Serial, 1.8 V to 5.5 V, DIP-8

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Day; Date; Month; Year ss:mm:hh RTC 1.8V 5.5V DIP 8Pins I2C, Serial -40°C 85°C - -
DS1337S+
DS1337S+ - RTC, Format DD:DT:MM;YY ss:mm:hh, Up to 2100 year, 0.032768 MHz, I2C, 1.8V to 5.5V, SO-8

2518709

RTC, Format DD:DT:MM;YY ss:mm:hh, Up to 2100 year, 0.032768 MHz, I2C, 1.8V to 5.5V, SO-8

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Day; Date; Month; Year ss:mm:hh RTC 1.8V 5.5V SOIC 8Pins I2C, Serial -40°C 85°C - -
MCP79400-I/SN
MCP79400-I/SN - Alarm RTC IC, Year/Month/Week/Date/Hr/Min/Sec 12Hr / 24Hr, I2C, 1.8 V to 5.5 V, SOIC-8

2361117

Alarm RTC IC, Year/Month/Week/Date/Hr/Min/Sec 12Hr / 24Hr, I2C, 1.8 V to 5.5 V, SOIC-8

MICROCHIP

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YYYY:MM:WK:DD:Hr:Min:Secs 12Hr / 24Hr Alarm RTC 1.8V 5.5V SOIC 8Pins I2C -40°C 85°C - -
DS1243Y-120+
DS1243Y-120+ - RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), Parallel, 4.5 V to 5.5 V, EDIP-28

2515439

RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), Parallel, 4.5 V to 5.5 V, EDIP-28

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Day; Date; Month; Year HH:MM:SS:hh RTC 4.5V 5.5V EDIP 28Pins Parallel 0°C 70°C - -
MCP7940M-I/P
MCP7940M-I/P - RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), I2C, 1.8 V to 5.5 V, DIP-8

2098894

RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), I2C, 1.8 V to 5.5 V, DIP-8

MICROCHIP

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DD:MM:YYYY HH:MM:SS RTC 1.8V 5.5V DIP 8Pins I2C -40°C 85°C - AEC-Q100
MAX31341BEWC+T
MAX31341BEWC+T - Real Time Clock, with Alarm, I2C, -40 °C to 85 °C, 1.6 V to 3.6 V

3559691

Real Time Clock, with Alarm, I2C, -40 °C to 85 °C, 1.6 V to 3.6 V

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YY-MM-DD-dd HH:MM:SS Alarm RTC 1.6V 3.6V WLP 12Pins I2C -40°C 85°C - -
DS1307Z+
DS1307Z+ - RTC, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 4.5V to 5.5V Supply, NSOIC-8

2909754

RTC, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 4.5V to 5.5V Supply, NSOIC-8

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Day; Date; Month; Year HH:MM:SS RTC 4.5V 5.5V NSOIC 8Pins I2C 0°C 70°C - -
DS1302+
DS1302+ - Timekeeper IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), 3 Wire, Serial, 2 V to 5.5 V, DIP-8

2518645

Timekeeper IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), 3 Wire, Serial, 2 V to 5.5 V, DIP-8

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Day; Date; Month; Year HH:MM:SS Timekeeper 2V 5.5V DIP 8Pins 3 Wire, Serial 0°C 70°C - -
MCP7940M-I/MS
MCP7940M-I/MS - RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), I2C, 1.8 V to 5.5 V, MSOP-8

2098889

RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), I2C, 1.8 V to 5.5 V, MSOP-8

MICROCHIP

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DD:MM:YYYY HH:MM:SS RTC 1.8V 5.5V MSOP 8Pins I2C -40°C 85°C - AEC-Q100
M48T18-150PC1
M48T18-150PC1 - RTC, Timekeeper NVSRAM, Parallel, 4.5 V to 5.5 V, DIP-28

1467734

RTC, Timekeeper NVSRAM, Parallel, 4.5 V to 5.5 V, DIP-28

STMICROELECTRONICS

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YY-MM-DD-dd HH:MM:SS Timekeeper 4.5V 5.5V DIP 28Pins Parallel 0°C 70°C - -
DS1390U-33+
DS1390U-33+ - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

2515392

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

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Day; Date; Month; Year HH:MM:SS:hh Alarm RTC 2.97V 5.5V µSOP 10Pins SPI -40°C 85°C - -
M48T35Y-70MH1F
M48T35Y-70MH1F - RTC, Clock/Calendar, Date Time Format (YY-MM-DD-dd, HH:MM:SS), Parallel, 4.5V to 5.5V, SOIC-28

2849895

RTC, Clock/Calendar, Date Time Format (YY-MM-DD-dd, HH:MM:SS), Parallel, 4.5V to 5.5V, SOIC-28

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YY-MM-DD-dd HH:MM:SS Calendar, Clock 4.5V 5.5V SOIC 28Pins Parallel 0°C 70°C - -
RV-4162-C7-TA-QC-020
RV-4162-C7-TA-QC-020 - RTC IC, Date Time Format (Day/Date/Month/Year/Century 12Hr / 24Hr), I2C, 1 V to 4.4 V, LCC-8

2358522

RTC IC, Date Time Format (Day/Date/Month/Year/Century 12Hr / 24Hr), I2C, 1 V to 4.4 V, LCC-8

MICRO CRYSTAL

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Day; Date; Month; Year; Century 12Hr / 24Hr RTC 1V 4.4V LCC 8Pins I2C -40°C 85°C - -
ISL12026IBZ-T
ISL12026IBZ-T - RTC, Alarm, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 2.7V to 5.5V Supply, NSOIC-8

2983742

RTC, Alarm, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 2.7V to 5.5V Supply, NSOIC-8

RENESAS

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Day; Date; Month; Year HH:MM:SS Alarm RTC 2.7V 5.5V NSOIC 8Pins I2C -40°C 85°C - -
DS1339U-33+
DS1339U-33+ - RTC IC, Format (Day/Date/Month/Year/ss:mm:hh), I2C, Serial, 2.97 V to 5.5 V supply, MSOP-8

2518691

RTC IC, Format (Day/Date/Month/Year/ss:mm:hh), I2C, Serial, 2.97 V to 5.5 V supply, MSOP-8

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Day; Date; Month; Year ss:mm:hh RTC 2.97V 5.5V MSOP 8Pins I2C, Serial -40°C 85°C - -
DS1248Y-70+
DS1248Y-70+ - RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), Bytewide, 4.5 V to 5.5 V, EDIP-32

2515444

RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), Bytewide, 4.5 V to 5.5 V, EDIP-32

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Day; Date; Month; Year HH:MM:SS:hh RTC 4.5V 5.5V EDIP 32Pins Bytewide 0°C 70°C - -
M41T0M6F
M41T0M6F - RTC, Date Time Format (Day/Date/Month/Year/Century, HH:MM:SS), I2C, 2V to 5.5V Supply, SOIC-8

2806827

RTC, Date Time Format (Day/Date/Month/Year/Century, HH:MM:SS), I2C, 2V to 5.5V Supply, SOIC-8

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Day; Date; Month; Year; Century HH:MM:SS RTC 2V 5.5V SOIC 8Pins I2C -40°C 85°C - -
DS1302Z+
DS1302Z+ - Timekeeper IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), 3 Wire, Serial, 2 V to 5.5 V, SOIC-8

2519519

Timekeeper IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), 3 Wire, Serial, 2 V to 5.5 V, SOIC-8

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Day; Date; Month; Year HH:MM:SS Timekeeper 2V 5.5V SOIC 8Pins 3 Wire, Serial 0°C 70°C - -
DS1340Z-33+
DS1340Z-33+ - RTC IC, Date Time Format (Day/Date/Month/Year ss:mm:hh), I2C, 2.97 V to 5.5 V, SOIC-8

2518702

RTC IC, Date Time Format (Day/Date/Month/Year ss:mm:hh), I2C, 2.97 V to 5.5 V, SOIC-8

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Day; Date; Month; Year ss:mm:hh RTC 2.97V 5.5V SOIC 8Pins I2C -40°C 85°C - -
DS1394U-33+
DS1394U-33+ - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

2515398

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

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Day; Date; Month; Year HH:MM:SS:hh Alarm RTC 2.97V 5.5V µSOP 10Pins SPI -40°C 85°C - -
DS1687-5+
DS1687-5+ - Alarm RTC IC, Day/Date/Month/Year/Century hh:mm:ss, Multiplexed, 4.5 V to 5.5 V, EDIP-24

2515431

Alarm RTC IC, Day/Date/Month/Year/Century hh:mm:ss, Multiplexed, 4.5 V to 5.5 V, EDIP-24

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Day; Date; Month; Year; Century HH:MM:SS Alarm RTC 4.5V 5.5V EDIP 24Pins Multiplexed 0°C 70°C - -
DS1338C-3#
DS1338C-3# - RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.7 V to 5.5 V supply, SOIC-16

2798727

RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.7 V to 5.5 V supply, SOIC-16

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Day; Date; Month; Year HH:MM:SS RTC 2.7V 5.5V SOIC 16Pins I2C -40°C 85°C - -
PCF8563BS/4,118
PCF8563BS/4,118 - Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, 1 V to 5.5 V supply, HVSON-10

2400453

Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, 1 V to 5.5 V supply, HVSON-10

NXP

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Suggested replacement for:2400453
2400453RL in Re-reel

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YYYY:MM:WK:DD:Hr:Min:Secs Binary Calendar, Clock 1V 5.5V HVSON 10Pins I2C -40°C 85°C - -
DS1388Z-33+T&R
DS1388Z-33+T&R - RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), I2C, 2.97 V to 3.63 V, NSOIC-8

2515475RL

RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), I2C, 2.97 V to 3.63 V, NSOIC-8

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Suggested replacement for:2515475RL
2515475 in Cut Tape

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Day; Date; Month; Year HH:MM:SS:hh RTC 2.97V 3.63V NSOIC 8Pins I2C -40°C 85°C - -
M48T02-70PC1
M48T02-70PC1 - RTC, Timekeeper NVSRAM, Parallel, 4.75 V to 5.5 V, DIP-24

9755764

RTC, Timekeeper NVSRAM, Parallel, 4.75 V to 5.5 V, DIP-24

STMICROELECTRONICS

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YY-MM-DD-dd HH:MM:SS Timekeeper 4.75V 5.5V DIP 24Pins Parallel 0°C 70°C - -