About Real Time Clock

Stmicroelectronics 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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(Ex. GST)(▲▼)		Enter Qty RTC Bus InterfaceDate FormatTime FormatRTC Memory SizeSupply Voltage - MaxSupply Voltage - MinMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingBattery Backup SwitchingQualification
  
                 
M41T81M6F


RTC circuit; 2-wire, I2C, serial; SRAM; 20B; SO8; 2÷5.5V
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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.

STMicroelectronics 2425
Ships to you
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USD 1.82
Multiples of: 2500

 Yy - Mm - Dd - Dd           
M41T82RM6F


Real Time Clock Serial I2C bus RTC
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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.

STMicroelectronics 2425
Ships to you
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USD 1.95
Multiples of: 2500

Serial hh:mm:ss:hh32 b5.5 V2.7 V+ 85 C- 40 CSmd/SmtSOIC - 8ReelBackup Switching 
M41T56M6F


Real Time Clock Serial 512 (64x8)
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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.

STMicroelectronics 2425
Ships to you
between Fri. 17 May to Thu. 23 May Calender.png

USD 2.0843
Multiples of: 2500

I2 CDw:Dm:M:Yhh:mm:ss64 b5.5 V4.5 V+ 85 C- 40 CSmd/SmtSOIC - 8ReelBackup Switching 
M41T94MQ6F


Real Time Clock Serial 512 (64x8)
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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.

STMicroelectronics 2425
Ships to you
between Fri. 17 May to Thu. 23 May Calender.png

USD 3.1494
Multiples of: 2500

Serial hh:mm:ss:hh64 b5.5 V2.7 V+ 85 C- 40 CSmd/SmtSO - 16Cut TapeBackup Switching 
M41T83ZQA6F


Real Time Clock Serial I2C bus RTC
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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.

STMicroelectronics 970
Ships to you
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USD 2.3696
Multiples of: 1

Serial hh:mm:ss:hh32 b5.5 V2.38 V+ 85 C- 40 CSmd/SmtVFQFPNReelBackup Switching 
M41T93ZQA6F


Real Time Clock (RTC) IC Clock/Calendar 7B SPI 16-VQFN Exposed Pad
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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.

STMicroelectronics 970
Ships to you
between Fri. 17 May to Thu. 23 May Calender.png

USD 2.9021
Multiples of: 1000

Serial hh:mm:ss:hh32 b5.5 V2.38 V+ 85 C- 40 CSmd/SmtQFNReelYes 
M41T83ZMY6F


Real Time Clock Serial I2C bus RTC
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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.

STMicroelectronics 970
Ships to you
between Fri. 17 May to Thu. 23 May Calender.png

USD 3.4666
Multiples of: 1000

Serial hh:mm:ss:hh32 b5.5 V2.38 V+ 85 C- 40 CSmd/SmtSOXReelBackup Switching 
M41T93RMY6F


Real Time Clock (RTC) IC Clock/Calendar 7B SPI 18-SOX, 18-SOIC with Crystal (7.5mm 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.

STMicroelectronics 970
Ships to you
between Fri. 17 May to Thu. 23 May Calender.png

USD 3.4207
Multiples of: 1000

Serial, SPIDW:DM:M:YHH:MM:SS:hh32 B5.5 V2.7 V+ 85 C- 40 CSMD/SMTSOIC - 18Cut Tape , ReelBackup Switching 
M41ST85WMX6TR


Real Time Clock (RTC) IC Clock/Calendar 44B I²C, 2-Wire Serial 28-SOIC (0.295", 7.50mm 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.

STMicroelectronics 970
Ships to you
between Fri. 17 May to Thu. 23 May Calender.png

USD 5.8184
Multiples of: 1000

Serial hh:mm:ss:hh64 b3.6 V2.7 V+ 85 C- 40 CSmd/SmtSO - 28ReelBackup Switching 
M41T83RQA6F


Real Time Clock Battery Swtchovr-RTC
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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.

STMicroelectronics 0
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USD 2.0929
Multiples of: 1000

2 - Wire, I2 CDw:Dm:M:Yhh:mm:ss:hh32 b5.5 V2.7 V+ 85 C- 40 CSmd/SmtQFN - 16ReelBackup Switching 
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