Raspberry Pi RTC DS3231 DS3231M DS3231N DLL BUKAN DS3231SN Module

Raspberry Pi RTC DS3231 DS3231M DS3231N DLL BUKAN DS3231SN  Module

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Specification

    Accuracy ±2ppm from 0°C to +40°C
    Accuracy ±3.5ppm from -40°C to +85°C
    Battery Backup Input for Continuous Timekeeping
    Operating Temperature Ranges - Commercial: 0°C to +70°C, Industrial: -40°C to +85°C
    Low-Power Consumption
    Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
    Two Time-of-Day Alarms
    Programmable Square-Wave Output
    Fast (400kHz) I2C Interface
    3.3V Operation
    Digital Temp Sensor Output: ±3°C Accuracy
    Register for Aging Trim
    RST Output/Pushbutton Reset Debounce Input
    Underwriters Laboratories (UL) Recognized