R2051S03-E2-F: RTC 2-wire Serial with Battery Back-up

R2051S03-E2-F: RTC 2-wire Serial with Battery Back-up The R2051 is a CMOS real-time clock IC connected to the CPU by two signal lines, SCL and SDA, and configured to perform serial transmission of time and calendar data to the CPU. Further, battery backup switchover circuit and a voltage detector are incorporated. Minimum Timekeeping supply voltage Typ. 0.75V (Max. 1.00V); VDD pin Low power consumption 0.4µA TYP (1.0µA MAX.) at VDD=3V Built-in Backup switchover circuit (can be used for a primary battery, a secondary battery, or an electric double layer capacitor) Only two signal lines (SCL and SDA) required for connection to the CPU. ( I2C-Bus Interface, 400kHz) R2051S03-E2-F Data Sheet Contact Us to find out more about this product

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