M41T81S Datasheet - STMicroelectronics

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M41T81S Serial access real-time clock

M41T81S Serial access real-time clock (RTC) with alarms .

M41T81S_STMicroelectronics.pdf

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Datasheet Details

Part number:

M41T81S

Manufacturer:

STMicroelectronics ↗

File Size:

501.80 KB

Description:

Serial access real-time clock

Features

* Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
* 32 KHz crystal oscillator with integrated load capacitance (12.5 pf) which provides exceptional oscillator stability and high crystal series resistance operation)
* Oscillator stop

Applications

* VCC = 2.7 to 5.5 V
* 2.5 V ≤ VPFD ≤ 2.7 V
* Power-down time-stamp (HT bit) which allows determination of time elapsed in battery backup
* Battery low flag
* Programmable alarm and interrupt function (valid even during battery backup mode)
* Accurate programmable watchdog t

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M41T81S Serial access real-time clock STMicroelectronics

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