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M41T82 Datasheet Serial I2C bus real-time clock

Manufacturer: STMicroelectronics

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General Description

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Overview

M41T82, M41T83 Serial I2C bus real-time clock (RTC) with battery switchover QFN16 (4 mm x 4 mm) SO8 (4.90 mm x 3.90 mm) 18 1 SOX18, embedded crystal (11.61 mm x 7.

Key Features

  • Ultra-low battery supply current of 365 nA.
  • Factory-calibrated accuracy of ±5 ppm typical after 2 reflows (SOX18).
  • Much better accuracies achievable using built-in programmable analog and digital calibration circuits.
  • 2.0 V to 5.5 V clock operating voltage.
  • Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century.
  • Automatic switchover and reset output circuitry (fixed reference).
  • M41T83.

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