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- Enhanced Second Source for the ST M41T00
- Available in a Surface-Mount Package with an Integrated Crystal (DS1340C)
- Fast (400kHz) I²C Interface
- Software Clock Calibration
- RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year
- Automatic Power-Fail Detect and Switch Circuitry
- Trickle-Charge Capability
- Low Timekeeping Voltage Down to 1.3V
- Three Operating Voltage Ranges (1.8V, 3V, and 3.3V)
- Oscillator Stop Flag
- Available in 8-Pin µSOP or SO Packages