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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Battery Backup Switching
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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
  
                 
MCP7940MT-I/SN


Real Time Clock I2C RTCC 64B SRAM No VBAT
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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 21932
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AUD 1.0438
Multiples of: 1

I2 C  64 b5.5 V1.8 V+ 85 C Smd/SmtSOIC - 8ReelNo 
MCP79412T-I/SN


Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
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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 19012
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AUD 1.8254
Multiples of: 1

Serial, I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 85 C- 40 CSmd/SmtSOIC - 8Cut TapeBackup Switching 
MCP79520-I/MS


RTC circuit; SPI; SRAM; 64B; 1.8÷3.6VDC; MSOP10
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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 18700
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AUD 2.1585
Multiples of: 1

 Yy - Mm - Dd - Dd           
MCP79411-I/SN


RTC circuit; I2C; SRAM; 64B; 1.8÷5.5VDC; SO8
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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 17804
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AUD 1.7692
Multiples of: 1

Serial, I2CDW:DM:M:YHH:MM:SS64 B5.5 V1.8 V+ 85 C- 40 CSMD/SMTSOIC - 8TubeBackup Switching 
MCP79410T-I/ST


Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
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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 16175
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AUD 1.7469
Multiples of: 1

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MCP7940NT-ISN


Real-time Clocks Clock/Calendar I2C, 2-Wire Serial 1.2uA @ 3.3V SOIC-8_150mil RoHS
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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 15163
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AUD 1.3446
Multiples of: 1

2 - Wire, I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 85 C- 40 CSmd/SmtSOIC - 8ReelBackup Switching 
MCP79411T-I/SN


Real Time Clock I2C GP RTCC 1Kb 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 12908
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AUD 1.8254
Multiples of: 1

Serial, I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 85 C- 40 CSmd/SmtSOIC - 8Cut TapeBackup Switching 
MCP79412T-I/MNY


Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
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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 9237
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AUD 1.8931
Multiples of: 1

I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 85 C- 40 CSmd/SmtDFN - 8ReelBackup Switching 
MCP7940N-E/SN


Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-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 7399
Ships to you
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AUD 1.4366
Multiples of: 1

Serial, 2 - Wire, I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 125 C- 40 CSmd/SmtSOIC - 8TubeBackup Switching 
MCP7940NT-E/MS


Real Time Clock I2C GP RTCC 64B SRAM, EXT
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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 7220
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AUD 1.5038
Multiples of: 1

Serial, 2 - Wire, I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V1.8 V+ 125 C- 40 CSmd/SmtMSOP - 8Cut TapeBackup Switching 
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