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M41TC8025 Datasheet temperature-compensated serial real-time clock

Manufacturer: STMicroelectronics

Overview: M41TC8025 Highly accurate, temperature-compensated serial real-time clock (RTC) with embedded crystal Data.

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General Description

The M41TC8025 is a serial I2C real-time clock (RTC) incorporating temperature compensation to maintain accurate timekeeping over the industrial temperature range of -40 to +85 °C.

In addition to providing date and time (seconds, minutes, hours, day-of-week, date (day of month), month and year), the device also provides an alarm function, fixed-cycle timer, time update interrupt and programmable frequency outputs (1 Hz, 1 KHz and 32 KHz).

The M41TC8025 is provided in a 200 mil, 14-pin SOIC package.

Key Features

  • Embedded high-stability 32 KHz DTCXO Temperature-compensated serial real-time clock.
  • ±5.0 ppm max from -40 to 85 °C.
  • ±3.8 ppm max from 0 to 50 °C Supply voltage.
  • Clock operating & timekeeping: 1.6 to 5.5 V.
  • I2C interface operating: 1.8 to 5.5 V.
  • Temperature compensation: 2.2 to 5.5 V 0.8 µA typical current at 3.0 V supply voltage 400 kHz I2C interface Time-of-day alarm (with interrupt) Fixed-cycle timer interrupt function Time update inte.

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