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MCP7940M Datasheet Real-Time Clock/Calendar

Manufacturer: Microchip Technology

General Description

: The MCP7940M Real-Time Clock/Calendar (RTCC) tracks time u

Overview

MCP7940M Low-Cost I2C™ Real-Time Clock/Calendar with SRAM Timekeeping.

Key Features

  • Real-Time Clock/Calendar (RTCC): - Hours, Minutes, Seconds, Day of Week, Day, Month, Year - Leap year compensated to 2399 - 12/24 hour modes.
  • Oscillator for 32.768 kHz Crystals: - Optimized for 6-9 pF crystals.
  • On-Chip Digital Trimming/Calibration: - ±1 PPM resolution - ±129 PPM range.
  • Dual Programmable Alarms.
  • Versatile Output Pin: - Clock output with selectable frequency - Alarm output - General purpose output Low-Power Features:.
  • Wide Vo.