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Datasheet Microchip MCP79401

ManufacturerMicrochip
SeriesMCP79401

The MCP79401 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

MCP79401-I/MSMCP79401-I/SNMCP79401-I/STMCP79401T-I/MNYMCP79401T-I/MSMCP79401T-I/SNMCP79401T-I/ST
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

Parametrics

MCP79401-I/MSMCP79401-I/SNMCP79401-I/STMCP79401T-I/MNYMCP79401T-I/MSMCP79401T-I/SNMCP79401T-I/ST
Alarms2 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, nA700700700700700700700
InterfaceI²C™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
OutputsIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLK
Power-Fail TimestampVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC 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_AddressEUI-48EUI-48EUI-48EUI-48EUI-48EUI-48EUI-48
User SRAM, Bytes64646464646464
Vbat Range, V1.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.5
Vcc Range, V1.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.5

Eco Plan

MCP79401-I/MSMCP79401-I/SNMCP79401-I/STMCP79401T-I/MNYMCP79401T-I/MSMCP79401T-I/SNMCP79401T-I/ST
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Other Options

MCP79400 MCP79402

Moldel Line

Series: MCP79401 (7)

Manufacturer's Classification

  • Clock and Timing > Real-Time Clock > RTCC

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