The PCF8563BS/4,118 is a sophisticated real-time clock (RTC) integrated circuit manufactured by NXP Semiconductors (formerly Freescale) that serves as a comprehensive timekeeping solution for electronic systems. This IC falls within the Clock/Timing - Real Time Clocks category and is specifically designed to maintain accurate time and date information even when the main system power is off.
This real-time clock IC addresses several critical design challenges in modern electronic applications, including the need for continuous timekeeping during power interruptions, precise calendar management with automatic leap year correction, and system monitoring capabilities through integrated watchdog timer functionality. The device operates as a complete clock and calendar system, maintaining time in 24-hour format (HH:MM:SS) and date in YY-MM-DD-dd format, ensuring comprehensive temporal data management for host systems.
The PCF8563BS/4,118 features a compact 10-HVSON (3x3mm) surface-mount package with exposed pad design, making it suitable for space-constrained applications while providing excellent thermal performance. The device operates across a wide voltage range from 1.8V to 5.5V, accommodating various system power requirements, and functions reliably across an extended temperature range of -40°C to 85°C, making it suitable for both consumer and industrial applications. The IC communicates through a standard I²C (2-wire serial) interface, simplifying integration with microcontrollers and other digital systems.
Key specifications include extremely low power consumption with timekeeping current ranging from 0.6µA to 0.75µA at 2V to 5V supply voltages, ensuring extended battery life in portable applications. The device incorporates advanced features such as programmable alarm functionality for system wake-up events, automatic leap year calculation for accurate long-term calendar management, and an integrated watchdog timer for system monitoring and reset capabilities.
The primary advantages of this RTC include its ultra-low power consumption that enables years of battery-backed operation, high accuracy timekeeping that maintains precision across varying environmental conditions, and comprehensive feature set that reduces external component requirements. The I²C interface provides easy integration with existing system architectures while the wide operating voltage range ensures compatibility with both legacy and modern low-power designs.
Compatibility extends across numerous microcontroller families and embedded systems that support I²C communication protocols, including ARM Cortex-M series, PIC microcontrollers, Arduino platforms, and various industrial control systems. The device is RoHS3 compliant, meeting current environmental regulations for lead-free manufacturing processes.
Primary application areas encompass consumer electronics such as digital cameras, set-top boxes, and home appliances where accurate timekeeping is essential, industrial automation systems requiring precise scheduling and logging capabilities, automotive electronics for dashboard clocks and event logging, medical devices needing accurate time stamps for patient data, and IoT devices where low-power operation and reliable timekeeping are critical for data logging and scheduled operations.
Equivalent models and alternatives include the DS1307 and DS3231 from Maxim Integrated, which offer similar RTC functionality with I²C interfaces, though with different feature sets and power consumption characteristics. The RV-3028-C7 from Micro Crystal provides comparable functionality with additional temperature compensation features. Texas Instruments offers the BQ32000 series as an alternative solution with similar timekeeping capabilities. The M41T62 from STMicroelectronics represents another equivalent option with integrated crystal and similar I²C interface. For applications requiring higher precision, the DS3234 provides SPI interface connectivity as an alternative communication method. The PCF2129 from the same NXP family offers enhanced features including integrated crystal oscillator for reduced external component count, while the RX8900CE from Epson provides similar functionality with different package options and enhanced temperature stability for precision-critical applications.
PCF8563BS/4,118 Key Technical Attributes
Manufacturer Part Number: PCF8563BS/4,118
Voltage Supply Range: 1.8V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
PCF8563BS/4,118 Packing Size
Type: 10-HVSON (3x3), 10-VFDFN Exposed Pad
Material: High-quality semiconductor, RoHS3 compliant
Package: Tape & Reel (TR) for easy automated assembly
Pin Configuration: 10 pins for I2C interface and reliable surface mounting
Thermal Characteristics: Efficient heat dissipation enabled by exposed pad design, ideal for continuous operation under wide temperature ranges
Electrical Properties: Low current consumption for timekeeping, max 0.6A ~ 0.75A @ 2V ~ 5V supply, ensuring energy efficiency
PCF8563BS/4,118 Application
The PCF8563BS/4,118 is optimized for precise real-time clock and calendar functionality, making it suitable for embedded systems, industrial controls, consumer electronics, and portable devices that require accurate time and date management. It is especially ideal for devices needing extended battery life due to its low power operation and flexible voltage supply.
PCF8563BS/4,118 Features
This IC offers an array of high-performance features including a 24-hour time format (HH:MM:SS) and comprehensive date formatting (YY-MM-DD-dd), supporting leap year calculation for extended accuracy across calendar cycles. It integrates an alarm function that enables event-triggered operations, alongside a watchdog timer for enhanced reliability in time-critical systems. The device communicates via a 2-wire I2C serial interface, streamlining integration within digital systems. The clock/calendar is robust and flexible, featuring a surface mount build for compact PCB layouts and wide compatibility with standardized processing.
PCF8563BS/4,118 Quality and Safety Features
Designed with RoHS3 compliance for environmental safety, the PCF8563BS/4,118 ensures reliable electronic performance across a broad thermal range (-40°C to 85°C). Its packaging and exposed pad technology contribute to consistent thermal management and long operational life, safeguarding sensitive circuits against overheating and electrical failure. The device is subject to rigorous quality control, meeting global standards for semiconductor manufacturing.
PCF8563BS/4,118 Compatibility
This model offers broad compatibility with circuits designed for real-time clocks using I2C interfaces. It is officially supported by leading microcontroller platforms and standard clock/timing subsystems. The surface mount design and standardized 10-HVSON package allow for streamlined integration in various board layouts, ensuring straightforward replacement and upgrade potential in existing systems using the PCF8563 base product number.
PCF8563BS/4,118 Datasheet PDF
Our website provides the most authoritative and comprehensive datasheet for the PCF8563BS/4,118, detailing pin configuration, timing diagrams, electrical characteristics, and application guidance. We highly recommend downloading the official datasheet from this page to ensure accurate design and implementation in your application.
Quality Distributor
IC-Components is a premium distributor for Freescale / NXP Semiconductors, offering original, traceable PCF8563BS/4,118 inventory in secure tape & reel packaging. As a trusted industry source, we guarantee competitive quotes and rapid fulfillment for your component needs. Visit our website today to request a quote and experience premier service for your semiconductor procurement.




