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MCP7940M - Real-Time Clock/Calendar

General Description

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

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.

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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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MCP7940M Low-Cost I2C™ Real-Time Clock/Calendar with SRAM 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 32.768 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 Voltage Range: - Operating voltage range of 1.8V to 5.5V • Low Typical Timekeeping Current: - Operating from VCC: 1.2 µA at 3.