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MCP79520 Datasheet

Part Number MCP79520
Manufacturers MICROCHIP
Logo MICROCHIP
Description Battery-Backed SPI Real-Time Clock/Calendar
Datasheet MCP79520 DatasheetMCP79520 Datasheet (PDF)

MCP7951X/MCP7952X Battery-Backed SPI Real-Time Clock/Calendar Device Selection Table Part Number MCP79510 MCP79520 MCP79511 MCP79521 MCP79512 MCP79522 SRAM (Bytes) 64 64 64 64 64 64 Timekeeping Features • Real-Time Clock/Calendar (RTCC): - Hours, minutes, seconds, hundredths of a second, 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 resolut.

  MCP79520   MCP79520






Part Number MCP79522
Manufacturers MICROCHIP
Logo MICROCHIP
Description Battery-Backed SPI Real-Time Clock/Calendar
Datasheet MCP79520 DatasheetMCP79522 Datasheet (PDF)

MCP7951X/MCP7952X Battery-Backed SPI Real-Time Clock/Calendar Device Selection Table Part Number MCP79510 MCP79520 MCP79511 MCP79521 MCP79512 MCP79522 SRAM (Bytes) 64 64 64 64 64 64 Timekeeping Features • Real-Time Clock/Calendar (RTCC): - Hours, minutes, seconds, hundredths of a second, 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 resolut.

  MCP79520   MCP79520







Part Number MCP79521
Manufacturers MICROCHIP
Logo MICROCHIP
Description Battery-Backed SPI Real-Time Clock/Calendar
Datasheet MCP79520 DatasheetMCP79521 Datasheet (PDF)

MCP7951X/MCP7952X Battery-Backed SPI Real-Time Clock/Calendar Device Selection Table Part Number MCP79510 MCP79520 MCP79511 MCP79521 MCP79512 MCP79522 SRAM (Bytes) 64 64 64 64 64 64 Timekeeping Features • Real-Time Clock/Calendar (RTCC): - Hours, minutes, seconds, hundredths of a second, 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 resolut.

  MCP79520   MCP79520







Battery-Backed SPI Real-Time Clock/Calendar

MCP7951X/MCP7952X Battery-Backed SPI Real-Time Clock/Calendar Device Selection Table Part Number MCP79510 MCP79520 MCP79511 MCP79521 MCP79512 MCP79522 SRAM (Bytes) 64 64 64 64 64 64 Timekeeping Features • Real-Time Clock/Calendar (RTCC): - Hours, minutes, seconds, hundredths of a second, 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 - Operating from VBAT: 1.0 µA at 3.0V • Automatic Switchover to Battery Backup User Memory • 64-Byte Battery-Backed SRAM • 1 Kbit or 2 Kbit EEPROM: - Software write-protect - Page write up to 8 bytes - Endurance: 1M erase/write cycles EEPROM (Kbits) 1 2 1 2 1 2 Unique ID Blank Blank EUI-48™ EUI-48™ EUI-64™ EUI-64™ • 128-Bit Protected EEPROM Area: - Robust write unlock sequence - EUI-48™ MAC address (MCP795X1) - EUI-64™ MAC address (MCP795X2) Operating Ranges • SPI Serial Interface: - SPI clock rate up to 5 MHz • Temperature Range: - Industrial (I): -40°C to +85°C • Automotive AEC-Q100 Qualified Packages • 10-Lead MSO.


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