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Datasheet Microchip MCP795W12-I/SL

ManufacturerMicrochip
SeriesMCP795W12
Part NumberMCP795W12-I/SL

The MCP795W12 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices

Datasheets

  • Download » Datasheet, PDF, 875 Kb, 06-21-2016
    MCP795W1X/MCP795W2X SPI RTCC with Enhanced Features and Battery Switchover
    Docket ↓
    MCP795W1X/MCP795W2X
    Battery-Backed SPI Real-Time Clock/Calendar with Enhanced Features
    Device Selection Table User Memory Part Number EEPROM
    (Kbits) Protected
    EEPROM MCP795W10 1 Blank MCP795W20 2 Blank MCP795W11 1 EUI-48™ MCP795W21 2 EUI-48™ MCP795W12 1 EUI-64™ MCP795W22 2 EUI-64™ 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 128-Bit Protected EEPROM Area:
    -Robust write unlock sequence
    -EUI-48™ MAC address (MCP795WX1)
    -EUI-64™ MAC address (MCP795WX2) 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 ...

Prices

Status

Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)

Packaging

PackageSOIC
Pins14

Parametrics

32KHz Boot ClockNO
Alarms2 Alarms (0.01sec)
Digital_Trimming-255 to +255ppm (1 ppm steps)
EEPROM1 Kbits
Event Detects2
Ibat Current700 nA
InterfaceSPI
Operating Temperature Range-40 to +85 °C
OutputsIRQ WDO CLKOUT
Power-Fail TimestampVCC Fail and VCC Restore
Temperature Range-40 to +85
Unique IDEUI-64 MAC_Address
User SRAM64 Bytes
Vbat Range1.3 - 3.6 V
Vcc Range1.8 - 3.6 V
Watchdog TimerYes

Eco Plan

RoHSCompliant

Other Options

MCP795W10 MCP795W11 MCP795W20 MCP795W21 MCP795W22

Moldel Line

Series: MCP795W12 (4)

Manufacturer's Classification

  • Clock and Timing > Real-Time Clock > RTCC SPI

Other Names:

MCP795W12I/SL, MCP795W12 I/SL

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