PCF85063A Datasheet - NXP

PCF85063A - Tiny Real-Time Clock/calendar

The PCF85063A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. An offset register allows fine-tuning of the clock. All addresses and data are transferred serially via the two-line bidirectional I2C-bus. Maximum data rate is 400 kbit/s. The register address is increm.

PCF85063A Features

* Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal

* Clock operating voltage: 0.9 V to 5.5 V

* Low current; typical 0.22 μA at VDD = 3.3 V and Tamb = 25 °C

* 400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.5

PCF85063A-NXP.pdf