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MCP7940N

Part Number	MCP7940N
Manufacturer	Microchip
Description	Real-Time Clock/Calendar
Published	Feb 10, 2017
Detailed Description	MCP7940N Battery-Backed I2C™ Real-Time Clock/Calendar with SRAM Timekeeping Features: • Real-Time Clock/Calendar (RTCC)...
Datasheet	MCP7940N PDF File

Overview

MCP7940N Battery-Backed 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 • Power-Fail Time-Stamp: - Time logged on switchover to and from Battery mode Low-Power Features: • Wide Voltage Range: - Operating voltage range of 1.
8V to 5.
5V - Backup voltage range of 1.
3...

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