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M41T11 - Serial real-time clock

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General Description

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Overview

M41T11 Serial real-time clock (RTC) with 56 bytes of NVRAM 8 1 SO8 SNAPHAT® battery & crystal 28 1 SOH28 Datasheet - production data • Ultra-low battery supply current of 0.8 μA (typ.

at 3 V) • 2.0 to 5.5 V clock operating voltage • Automatic switchover and deselect circuitry • 56 bytes of general purpose RAM • Software clock calibration to compensate crystal deviation due to temperature • Automatic leap year compensation • Operating temperature of – 40 to 85°C • Packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately; 3.3 V to 5.

Key Features

  • Counters for seconds, minutes, hours, day, date, month, years and century.
  • 32 kHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation.
  • Serial interface supports I²C bus (100 kHz protocol) June 2024 This is information on a product in full production. DocID6103 Rev 12 1/30 www. st. com Contents Contents M41T11 1.

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