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MCP79410 - Real-Time Clock/Calendar

General Description

The MCP7941X Real-Time Clock/Calendar (RTCC) tracks time using internal counters for hours, minutes, seconds, days, months, years, and day of week.

Alarms can be configured on all counters up to and including months.

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.
  • Power-Fail Time-Stamp: - Ti.

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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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MCP79410/MCP79411/MCP79412 Battery-Backed I2C™ Real-Time Clock/Calendar with SRAM, EEPROM and Protected EEPROM Device Selection Table Part Number MCP79410 MCP79411 MCP79412 Protected EEPROM Unprogrammed EUI-48™ EUI-64™ Operating Ranges: • 2-Wire Serial Interface, I2C™ Compatible - I2C clock rate up to 400 kHz • Temperature Range: - Industrial (I): -40°C to +85°C 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.