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MCP795W21

MICROCHIP
Part Number MCP795W21
Manufacturer MICROCHIP
Description Battery-Backed SPI Real-Time Clock/Calendar
Published May 14, 2018
Detailed Description MCP795W1X/MCP795W2X Battery-Backed SPI Real-Time Clock/Calendar with Enhanced Features Device Selection Table Part Num...
Datasheet PDF File MCP795W21 PDF File

MCP795W21
MCP795W21

Overview
MCP795W1X/MCP795W2X Battery-Backed SPI Real-Time Clock/Calendar with Enhanced Features Device Selection Table Part Number EEPROM (Kbits) MCP795W10 1 MCP795W20 2 MCP795W11 1 MCP795W21 2 MCP795W12 1 MCP795W22 2 Protected EEPROM Blank Blank EUI-48™ EUI-48™ EUI-64™ EUI-64™ Timekeeping Features • Real-Time Clock/Calendar (RTCC): - Hours, minutes, seconds, hundredth of seconds, day of week, date, 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 - ±259 ppm range • Dual Programmable Alarms • Clock Output Function with Selectable Frequency • Power-Fail Timestamp: - Time logged on switchover to and from Battery mode Low-Power Features • Wide Voltage Range: - Operating voltage range of 1.
8V to 3.
6V - Backup voltage range of 1.
3V to 3.
6V • Low Typical Timekeeping Current: - Operating from VCC: 1.
2 µA at 3.
0V - O...


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