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M41T81S Datasheet Serial ACcess Real-time Clock

Manufacturer: STMicroelectronics

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

General Description

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Key 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 detection (monitors clock operation).
  • Serial interface supports I2C bus (400 kHz protocol).
  • Ultra-low battery supply current of 0.6 µA (typ).
  • 2.0 to 5.5 V clock operating voltage.

M41T81S Distributor