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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Date Format
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Time Format
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RTC Memory Size
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Supply Voltage - Max
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Supply Voltage - Min
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Maximum Operating Temperature
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Minimum Operating Temperature
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Mounting Style
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Package / Case
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Packaging
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Battery Backup Switching
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Qualification
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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
  
                 
MCP79521T-I/MS


Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48
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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 1655
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AUD 2.3
Multiples of: 1

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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 1588
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AUD 1.4154
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 1512
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between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 1.0969
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 1432
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between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 2.0404
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 1218
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between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 1.7579
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 1111
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 2.1585
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 875
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 2.9571
Multiples of: 1

SpiYy - Mm - Dd - Ddhh:mm:ss:hh1 kb5.5 V1.8 V+ 85 C- 40 CSmd/SmtSOIC - 14TubeBackup 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 444
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between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 0.9718
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 388
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 1.7579
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 353
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 1.6162
Multiples of: 1

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