RV-3028-C7 Datasheet, MICRO CRYSTAL SWITZERLAND

Extreme low power consumption: 45 nA @ 3 V. Wide operating voltage range: 1.1 V to 5.5 V. Time accuracy: Factory calibrated to ±1 ppm @ 25°C User progr. password for writ.

IoT Metering Industrial Automotive Health Care Wearables, Portables BLOCK DIAGRAM RV-3028-C7 Extreme Low Power RTC Modu.