PCF8563T/5 NXP I2C Calendar Clock Format IC - SOP-8 Package

PCF8563T/5 I2C Real-Time Clock/Calendar IC is a low-power CMOS real-time clock and calendar IC designed for accurate time and datekeeping in electronic systems. It communicates through a two-wire I²C interface and provides seconds, minutes, hours, day, weekday, month, and year information. The IC also includes alarm and timer functions, a programmable clock output, interrupt output, voltage-low detection, and an integrated oscillator capacitor, making it suitable for embedded systems, digital clocks, meters, data loggers, and battery-powered applications.

Features:

1. Real-time clock and calendar functionality.
2. Two-wire I²C-bus interface with speeds up to 400 kHz.
3. Provides seconds, minutes, hours, day, weekday, month, and year.
4. Supports 32.768 kHz quartz crystal operation.
5. Low-power CMOS design.
6. Wide clock operating voltage range.
7. Programmable clock output of 32.768 kHz, 1.024 kHz, 32 Hz, or 1 Hz.
8. Alarm and timer functions.
9. Open-drain interrupt output.
10. Integrated oscillator capacitor.
11. Internal Power-On Reset (POR).
12. Suitable for battery-powered and embedded applications.

Specifications:

Parameter	Value
Product Type	Real-Time Clock / Calendar IC
Model	PCF8563T/5
Brand	NXP
Interface	I²C
Maximum I²C Bus Speed	400 kHz
Clock Frequency	32.768 kHz
Clock Operating Voltage	1.0 V to 5.5 V
I²C Operating Voltage	1.8 V to 5.5 V
Typical Backup Current	0.25 µA
Clock Output Frequencies	32.768 kHz, 1.024 kHz, 32 Hz, 1 Hz
Time Format	24-Hour
Date Format	Year, Month, Day, Weekday
Interrupt Output	Open-Drain, Active LOW
Package	SOIC-8 / SOP-8
Mounting Type	Surface Mount
Operating Temperature	-40°C to +85°C

Pin Configuration:

Pin No.	Pin Name	Description
1	OSCI	Oscillator Input
2	OSCO	Oscillator Output
3	INT	Interrupt Output, Open-Drain Active LOW
4	VSS	Ground
5	SDA	I²C Serial Data Input/Output
6	SCL	I²C Serial Clock Input
7	CLKOUT	Programmable Clock Output, Open-Drain
8	VDD	Supply Voltage

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Package Includes:

1 × PCF8563T/5 I2C Real-Time Clock/Calendar IC - SOP-8 Package