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PCF8564A Real-time Clock/Calendar

PCF8564A Description

PCF8564A Real time clock and calendar Rev.3 * 26 August 2013 Product data sheet 1.General .
The PCF8564A is a CMOS1 real-time clock and calendar optimized for low power consumption.

PCF8564A Features

* Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
* Wide clock operating voltage: 1.0 V to 5.5 V
* Low back-up current typical 250 nA at 3.0 V and 25 C
* 400 kHz two-wire I2C interface (1.8 V to 5.5 V)
* Low-voltage detector

PCF8564A Applications

* Timing devices
* Time of the day tracking
* Process timing
* Alarm
* Portable instruments
* Electronic metering
* Battery powered products 1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20. NXP Semiconductors PCF85

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