About Real Time Clock

Microchip Real Time Clock

A real-time clock (RTC) is a type of digital clock that is typically used to track time even when the power is turned off. An RTC maintains its data by being powered by a small battery or capacitor and runs on an integrated circuit. It is used to keep track of current time and date. The RTC is typically found in computers, digital clocks and other devices that require accurate timekeeping. A real-time clock typically keeps track of the day, month, year, hour, minute, and second. It is often used to trigger events at certain times and dates, or to accurately time-stamp data.

Real Time Clock

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  RTC Bus Interface
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  Maximum Operating Temperature
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(Ex. GST)(▲▼)		Enter Qty RTC Bus InterfaceDate FormatTime FormatRTC Memory SizeSupply Voltage - MaxSupply Voltage - MinMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingBattery Backup SwitchingQualification
  
                 
MCP7940N-I/ST


RTC circuit; I2C; SRAM; 64B; 1.8÷5.5VDC; TSSOP8
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 1588
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USD 0.92
Multiples of: 1

 Yy - Mm - Dd - Dd           
MCP7940M-I/MS


Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 1512
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USD 0.713
Multiples of: 1

 Yy - Mm - Dd - Dd           
MCP79412-I/ST


Real Time Clock (RTC) IC Clock/Calendar 64B, 1Kb I²C, 2-Wire Serial 8-TSSOP (0.173", 4.40mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 1432
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USD 1.3263
Multiples of: 1

Serial, I2CDW:DM:M:YHH:MM:SS64 B5.5 V1.8 V+ 85 C- 40 CSMD/SMTTSSOP - 8TubeBackup Switching 
MCP79402-IMS


Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 1218
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USD 1.1426
Multiples of: 1

 Yy - Mm - Dd - Dd           
MCP79511-I/MS


Real Time Clock (RTC) IC Clock/Calendar 64B SPI 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 904
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 1.403
Multiples of: 1

Serial, SPIYY - MM - DD - ddYY - MM - DD - ddBackup Switch in g64 B3.6 V- 40 C1.8 VSMD/SMTMSOP - 10TubeHH:MM:SS:hh (12 hr, 24 hr)+ 85 C
MCP795W12-ISL


Real Time Clock (RTC) IC Clock/Calendar 64B SPI 14-SOIC (0.154", 3.90mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 875
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 1.9221
Multiples of: 1

SpiYy - Mm - Dd - Ddhh:mm:ss:hh1 kb5.5 V1.8 V+ 85 C- 40 CSmd/SmtSOIC - 14TubeBackup Switching 
MCP7940M-I/P


RTC circuit; I2C; SRAM; 64B; 1.8÷5.5VDC; DIP8
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 459
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 0.7613
Multiples of: 1

Serial, I2CDW:DM:M:YHH:MM:SS64 B5.5 V1.8 V+ 85 C Through HolePDIP - 8TubeBackup Switching 
MCP7940N-IP


Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-DIP (0.300", 7.62mm)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 444
Ship by Mon. 29 Jul to Fri. 02 Aug Calender.png

USD 0.6317
Multiples of: 1

2 - Wire, I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 85 C- 40 CThrough HolePDIP - 8TubeBackup Switching 
MCP79401-I/ST


Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-TSSOP (0.173", 4.40mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 388
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 1.1426
Multiples of: 1

 Yy - Mm - Dd - Dd           
MCP79400-I/ST


Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-TSSOP (0.173", 4.40mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip Availability : 353
Ship by Fri. 02 Aug to Tue. 06 Aug Calender.png

USD 1.0505
Multiples of: 1

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