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
|
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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