PCF85163 Datasheet - NXP

PCF85163 Real-time clock and calendar

The PCF85163 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector are also provided. All addresses and data are transferred serially via a two-line bidirectional I2C-bus. Maximum bus speed is 400 kb.

PCF85163 Features

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

* Century flag

* Clock operating voltage: 1.8 V to 5.5 V

* Low backup current; typical 0.25 μA at VDD = 3.0 V and Tamb = 25 °C

* 400 kHz two-line I2C-bus int

PCF85163-NXP.pdf