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MCP79400 - I2C Real-Time Clock Calendar

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.
  • Dual Programmable Alarms.
  • Versatile Output Pin: - Clock output with selectable frequency - Alarm output - General purpose output.
  • Power-Fail Time-Stamp: - Time logg.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCP79400/MCP79401/MCP79402 Battery-Backed I2C Real-Time Clock/Calendar with SRAM and Protected EEPROM Device Selection Table Part Number MCP79400 MCP79401 MCP79402 Protected EEPROM Unprogrammed EUI-48™ EUI-64™ Timekeeping 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.