Antiuav Chips and Transistors

Detailed technical information and Application Scenarios

PartNumber	Manufactor	Quantity	Availability
PCF8563S		1980	Yes

The PCF8563S is a real-time clock (RTC) and calendar IC manufactured by NXP Semiconductors.

Interface: I²C-bus (400 kHz)
Operating Voltage: 1.0V to 5.5V
Low Power Consumption: Typically 0.25 µA at 3V
Clock Frequency: 32.768 kHz
Timekeeping Accuracy: ±5 ppm at 25°C
Alarm Function: Programmable alarm with interrupt output
Timer Function: Countdown timer with interrupt
Clock Output: Programmable clock output (32.768 kHz, 1.024 kHz, 32 Hz, 1 Hz)
Temperature Range: -40°C to +85°C
Package: SO8, TSSOP8

The PCF8563S is a low-power CMOS RTC optimized for battery-powered applications.
It provides seconds, minutes, hours, day, date, month, year, and weekday information.
Includes automatic leap-year correction and century recognition.
Features a built-in oscillator circuit for the 32.768 kHz quartz crystal.

Battery Backup Support: Maintains timekeeping during power loss.
I²C Communication: Simple interfacing with microcontrollers.
Low Voltage Operation: Suitable for portable and embedded systems.
Programmable Alarm & Timer: Can trigger interrupts for system wake-up.
Minimal External Components: Requires only a crystal and decoupling capacitor.

This IC is commonly used in consumer electronics, industrial systems, and IoT devices requiring accurate timekeeping.

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