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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MCP7940N-I/SN
MCP7940N-I/SN - Alarm RTC IC, Year/Month/Week/Date/Hr/Min/Sec 12Hr / 24Hr, I2C, 1.8 V to 5.5 V, SOIC-8

2361122

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 - AEC-Q100
MCP79410-I/SN
MCP79410-I/SN - Battery Backed I2C Real Time Clock/Calendar with EEPROM and Unique ID in SOIC-8 Package

1823155

Battery Backed I2C Real Time Clock/Calendar with EEPROM and Unique ID in SOIC-8 Package

MICROCHIP

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DD:MM:YY HH:MM:SS RTC 1.8V 5.5V SOIC 8Pins I2C -40°C 85°C MCP79410 MCP79411 MCP79412 AEC-Q100
DS3231S#T&R
DS3231S#T&R - RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V supply, SOIC-16

2798759

RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V supply, SOIC-16

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Day; Date; Month; Year HH:MM:SS RTC 2.3V 5.5V SOIC 16Pins I2C 0°C 70°C - -
DS1682S+
DS1682S+ - RTC IC, Date Time Format (Binary), I2C, 2.5 V to 5.5 V, SOIC-8

2519150

RTC IC, Date Time Format (Binary), I2C, 2.5 V to 5.5 V, SOIC-8

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Binary Binary RTC 2.5V 5.5V SOIC 8Pins I2C -40°C 85°C - -
M48T58Y-70PC1
M48T58Y-70PC1 - RTC, Timekeeper NVSRAM, Parallel, 4.5 V to 5.5 V, DIP-28

9755772

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 - -
ISL1208IB8Z
ISL1208IB8Z - REAL TIME CLOCK-RTC

2113280

REAL TIME CLOCK-RTC

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YY-MM-DD-dd HH:MM:SS RTC 2.7V 5.5V SOIC 8Pins I2C -40°C 85°C - -
PCF2129AT/2,518
PCF2129AT/2,518 - Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-20

2400450

Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-20

NXP

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2400450RL in Re-reel

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YYYY:MM:WK:DD:Hr:Min:Secs Binary Calendar, Clock 1.8V 4.2V SOIC 20Pins I2C, SPI -40°C 85°C - -
ISL12022MAIBZ
ISL12022MAIBZ - RTC, Date Time Format (YY/MM/DD/dd, HH:MM:SS), I2C, 2.7V to 5.5V Supply, SOIC-20

2113281

RTC, Date Time Format (YY/MM/DD/dd, HH:MM:SS), I2C, 2.7V to 5.5V Supply, SOIC-20

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YY-MM-DD-dd HH:MM:SS RTC 2.7V 5.5V SOIC 20Pins I2C -40°C 85°C - -
DS1390U-33+T&R
DS1390U-33+T&R - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

2515476

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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2515476RL in Re-reel

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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 - -
RV-3049-C2 OPTION B
RV-3049-C2 OPTION B - RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), 4 Wire, SPI, 1.3 V to 5.5 V, SON-10

1641060

RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), 4 Wire, SPI, 1.3 V to 5.5 V, SON-10

MICRO CRYSTAL

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1641060RL in Re-reel

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DD:MM:YYYY HH:MM:SS RTC 1.3V 5.5V SON 10Pins 4 Wire, SPI -40°C 85°C - -
PCF2129AT/2,518
PCF2129AT/2,518 - Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-20

2400450RL

Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-20

NXP

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2400450 in Cut Tape

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YYYY:MM:WK:DD:Hr:Min:Secs Binary Calendar, Clock 1.8V 4.2V SOIC 20Pins I2C, SPI -40°C 85°C - -
DS1747W-120+
DS1747W-120+ - RTC, Timekeeper NVSRAM, Bytewide, 2.97 V to 3.63 V, EDIP-32

2515531

RTC, Timekeeper NVSRAM, Bytewide, 2.97 V to 3.63 V, EDIP-32

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Day; Date; Month; Year; Century HH:MM:SS RTC 2.97V 3.63V EDIP 32Pins Bytewide 0°C 70°C - -
MCP7940MT-I/SN
MCP7940MT-I/SN - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 1.8 V to 5.5 V supply, SOIC-8

2687514

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

MICROCHIP

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2901506 in Re-reel

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Day; Date; Month; Year HH:MM:SS Alarm RTC 1.8V 5.5V SOIC 8Pins I2C -40°C 85°C - -
DS1339AU+
DS1339AU+ - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 1.71 V to 5.5 V, µSOP-8

2515377

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 1.71 V to 5.5 V, µSOP-8

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Day; Date; Month; Year HH:MM:SS Alarm RTC 1.71V 5.5V µSOP 8Pins I2C -40°C 85°C - -
M41T62LC6F
M41T62LC6F - RTC, Date Time Format (Day/Date/Month/Year/Century, HH:MM:SS:hh), I2C, 1.3V to 4.4V Supply, LCC-8

2806828

RTC, Date Time Format (Day/Date/Month/Year/Century, HH:MM:SS:hh), I2C, 1.3V to 4.4V Supply, LCC-8

STMICROELECTRONICS

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Day; Date; Month; Year; Century HH:MM:SS:hh Alarm RTC 1.3V 4.4V LCC 8Pins I2C -40°C 85°C - -
DS1390U-33+T&R
DS1390U-33+T&R - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

2515476RL

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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2515476 in Cut Tape

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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 - -
PCF2127T/2Y
PCF2127T/2Y - Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-16

2775934

Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-16

NXP

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YYYY:MM:WK:DD:Hr:Min:Secs Binary Calendar, Clock 1.8V 4.2V SOIC 16Pins I2C, SPI -40°C 85°C - -
RV-3049-C2 OPTION B
RV-3049-C2 OPTION B - RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), 4 Wire, SPI, 1.3 V to 5.5 V, SON-10

1641060RL

RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), 4 Wire, SPI, 1.3 V to 5.5 V, SON-10

MICRO CRYSTAL

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DD:MM:YYYY HH:MM:SS RTC 1.3V 5.5V SON 10Pins 4 Wire, SPI -40°C 85°C - -
M48T08-100PC1
M48T08-100PC1 - RTC, Timekeeper NVSRAM, Parallel, 4.75 V to 5.5 V, DIP-28

9756396

RTC, Timekeeper NVSRAM, Parallel, 4.75 V to 5.5 V, DIP-28

STMICROELECTRONICS

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YY-MM-DD-dd HH:MM:SS Timekeeper 4.75V 5.5V DIP 28Pins Parallel 0°C 70°C - -
MCP7940N-I/P
MCP7940N-I/P - Alarm RTC IC, Year/Month/Week/Date/Hr/Min/Sec 12Hr / 24Hr, I2C, 1.8 V to 5.5 V, DIP-8

2361114

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

MICROCHIP

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YYYY:MM:WK:DD:Hr:Min:Secs 12Hr / 24Hr Alarm RTC 1.8V 5.5V DIP 8Pins I2C -40°C 85°C - AEC-Q100
MCP7940NT-I/SN
MCP7940NT-I/SN - RTC, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 1.8V to 5.5V Supply, SOIC-8

2857529

RTC, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 1.8V to 5.5V Supply, SOIC-8

MICROCHIP

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Day; Date; Month; Year HH:MM:SS RTC 1.8V 5.5V SOIC 8Pins I2C -40°C 85°C - -
ISL1208IB8Z-TK
ISL1208IB8Z-TK - RTC, Alarm, Date Time Format (Day/Date/Month/Year, HH:MM:SS), I2C, 2.7V to 5.5V Supply, SOIC-8

2983745

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

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Day; Date; Month; Year HH:MM:SS Alarm RTC 2.7V 5.5V SOIC 8Pins I2C -40°C 85°C - -
PCF8523T/1,118
PCF8523T/1,118 - Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, 1.2 V to 5.5 V supply, SOIC-8

2400452

Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, 1.2 V to 5.5 V supply, SOIC-8

NXP

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2400452RL in Re-reel

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YYYY:MM:WK:DD:Hr:Min:Secs Binary Calendar, Clock 1.2V 5.5V SOIC 8Pins I2C -40°C 85°C - -
DS3231MZ+TRL
DS3231MZ+TRL - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V, NSOIC-8

2515487

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V, NSOIC-8

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2515487RL in Re-reel

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Day; Date; Month; Year HH:MM:SS Alarm RTC 2.3V 5.5V NSOIC 8Pins I2C -40°C 85°C - -
DS3231M+TRL
DS3231M+TRL - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V, WSOIC-16

2515485

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V, WSOIC-16

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2515485RL in Re-reel

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Day; Date; Month; Year HH:MM:SS Alarm RTC 2.3V 5.5V WSOIC 16Pins I2C -40°C 85°C - -