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Datasheet Microchip MCP79402

The MCP79402 general purpose I2CTM Compatible real-time clock/calendar (RTCC) is highly integrated with memory and advanced features normally found in higher priced devices

Datasheets

• Download » Datasheet PDF, 886 Kb, File published: Aug 17, 2016
  MCP79400/01/02 Battery-Backed I2C RTCC w/ SRAM and Protected EEPROM
  Docket ↓
  MCP79400/MCP79401/MCP79402
  Battery-Backed I2C Real-Time Clock/Calendar with
  SRAM and Protected EEPROM
  Device Selection Table
  Part Number Operating Ranges
  Protected EEPROM MCP79400 Unprogrammed MCP79401 EUI-48в„ў MCP79402 EUI-64в„ў 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:
  -В±1 ppm resolution
  -В±129 ppm 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 1.3V to 5.5V Low Typical Timekeeping Current:
  -Operating from VCC: 1.2 ВµA at 3.3V
  -Operating from battery backup: 925 nA at
  3.0V Automatic Switchover to Battery Backup User Memory 64-Byte Battery-Backed SRAM 64-Bit Protected EEPROM Area: ...

Prices

Status

Packaging

Parametrics

	MCP79402-I/MS	MCP79402-I/SN	MCP79402-I/ST	MCP79402T-I/MNY	MCP79402T-I/MS	MCP79402T-I/SN	MCP79402T-I/ST
Alarms	2 Alarms (1 sec)	2 Alarms (1 sec)	2 Alarms (1 sec)	2 Alarms (1 sec)	2 Alarms (1 sec)	2 Alarms (1 sec)	2 Alarms (1 sec)
Digital_Trimming	-127 to +127ppm (1 ppm steps)	-127 to +127ppm (1 ppm steps)	-127 to +127ppm (1 ppm steps)	-127 to +127ppm (1 ppm steps)	-127 to +127ppm (1 ppm steps)	-127 to +127ppm (1 ppm steps)	-127 to +127ppm (1 ppm steps)
Ibat Current, nA	700	700	700	700	700	700	700
Interface	I²C™	I²C™	I²C™	I²C™	I²C™	I²C™	I²C™
Operating Temperature Range, °C	-40 to +85	-40 to +85	-40 to +85	-40 to +85	-40 to +85	-40 to +85	-40 to +85
Outputs	IRQ/CLK	IRQ/CLK	IRQ/CLK	IRQ/CLK	IRQ/CLK	IRQ/CLK	IRQ/CLK
Power-Fail Timestamp	VCC Fail and VCC Restore	VCC Fail and VCC Restore	VCC Fail and VCC Restore	VCC Fail and VCC Restore	VCC Fail and VCC Restore	VCC Fail and VCC Restore	VCC Fail and VCC Restore
Temperature Range	-40 to +85	-40 to +85	-40 to +85	-40 to +85	-40 to +85	-40 to +85	-40 to +85
Unique ID, MAC_Address	EUI-64	EUI-64	EUI-64	EUI-64	EUI-64	EUI-64	EUI-64
User SRAM, Bytes	64	64	64	64	64	64	64
Vbat Range, V	1.3 - 5.5	1.3 - 5.5	1.3 - 5.5	1.3 - 5.5	1.3 - 5.5	1.3 - 5.5	1.3 - 5.5
Vcc Range, V	1.8 - 5.5	1.8 - 5.5	1.8 - 5.5	1.8 - 5.5	1.8 - 5.5	1.8 - 5.5	1.8 - 5.5

Eco Plan

Other Options

MCP79400 MCP79401

Moldel Line

• MCP79402-I/MS MCP79402-I/SN MCP79402-I/ST MCP79402T-I/MNY MCP79402T-I/MS MCP79402T-I/SN MCP79402T-I/ST

Manufacturer's Classification

• Clock and Timing > Real-Time Clock > RTCC