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PCA8565
Real time clock/calendar
Rev. 4 — 5 December 2014
Product data sheet
1. General description
The PCA8565 is a CMOS1 real time clock and calendar optimized for low power consumption. A programmable clock output, interrupt output and voltage-low detector are also provided. All address and data are transferred serially via a two-line bidirectional I2C-bus. Maximum bus speed is 400 kbit/s. The built-in word address register is incremented automatically after each written or read data byte.
For a selection of NXP Real-Time Clocks, see Table 36 on page 40
2. Features and benefits
AEC-Q100 compliant (PCA8565TS) for automotive applications 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.
PCA8565 Datasheet
