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PCF8563T from PHILPS,Philips

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PCF8563T

Manufacturer: PHILPS

Real-time clock/calendar

Partnumber Manufacturer Quantity Availability
PCF8563T PHILPS 528 In Stock

Description and Introduction

Real-time clock/calendar # Introduction to the PCF8563T Real-Time Clock (RTC)  

The PCF8563T is a low-power CMOS real-time clock (RTC) and calendar component designed for accurate timekeeping in embedded systems. Manufactured by NXP Semiconductors, this IC integrates a highly precise clock with alarm, timer, and interrupt functions, making it ideal for applications requiring reliable time management.  

Operating at a supply voltage range of 1.0V to 5.5V, the PCF8563T is optimized for battery-powered devices, ensuring minimal power consumption. It features an I²C-bus interface, allowing seamless communication with microcontrollers. The device includes a programmable clock output, a power-on reset function, and automatic leap-year compensation, ensuring long-term accuracy.  

With its compact TSSOP8 package, the PCF8563T is well-suited for space-constrained designs, including wearables, IoT devices, and industrial automation systems. Its robust performance, combined with low power consumption and ease of integration, makes it a preferred choice for developers seeking a dependable RTC solution.  

Whether used in consumer electronics, medical devices, or smart meters, the PCF8563T provides precise timekeeping while maintaining energy efficiency—a critical factor in modern electronic designs.

Application Scenarios & Design Considerations

Real-time clock/calendar

Alternative Part Number

  • DS1307Z+ --: Widely used I2C real-time clock in an SOIC-8 package, functionally similar to the PCF8563T and easy to source as a drop-in style replacement.
  • M41T81M6F --: I2C serial real-time clock with comparable register-level functionality and SOIC-8 footprint, suitable for designs migrating away from the PCF8563T.
  • RV-8564-C3 --: Low-power I2C RTC with similar timekeeping features and small package options, offering a close functional alternative to the PCF8563T.

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