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PCF8563S Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
PCF8563S1980Yes

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

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

Specifications:

  • 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

Descriptions:

  • 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.

Features:

  • 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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