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MCP7940M

Microchip
Part Number MCP7940M
Manufacturer Microchip
Description Real-Time Clock/Calendar
Published Feb 10, 2017
Detailed Description MCP7940M Low-Cost I2C™ Real-Time Clock/Calendar with SRAM Timekeeping Features: • Real-Time Clock/Calendar (RTCC): - Ho...
Datasheet PDF File MCP7940M PDF File

MCP7940M
MCP7940M

Overview
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.
3V User Memory: • 64-byte SRAM Operating Ran...


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