The PCF8563T/5,518 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption and with an I2C interface. Manufactured by NXP Semiconductors, this device offers a comprehensive feature set that makes it an ideal choice for a wide range of applications in consumer electronics, mobile phones, and industrial systems where timekeeping is of essence.

Key Features:

• Timekeeping Accuracy: This RTC provides seconds, minutes, hours, day, date, month, and year information. The built-in oscillator circuitry is designed for very low power consumption and high accuracy.
• I2C-Bus Interface: The PCF8563T/5,518 operates on the I2C-bus with a maximum bus speed of 400 kbit/s, allowing for easy integration into existing systems with minimal interfacing required.
• Low Power Consumption: Its low power design is suitable for battery-backed applications. The device also includes a power management feature with a programmable clock output for peripheral devices.
• Alarm and Timer Functions: An integrated alarm and timer function provides additional utility, enabling scheduled events or wake-up signals for microcontrollers.
• Programmable Clock Output: This RTC offers a programmable clock output that can be used for peripheral devices, reducing the need for additional timing components in a system.
• Package: The device is available in an SO8 package, which is conducive to space-constrained applications.

Applications:

• Mobile phones
• Portable devices
• Consumer electronics
• Healthcare devices
• Industrial and IoT devices

The PCF8563T/5,518 from NXP is a versatile and reliable component for maintaining accurate time and date in a variety of electronic systems. Its combination of low power consumption and extensive features, including an easy-to-use I2C interface, makes it a preferred choice for designers looking to incorporate a cost-effective and efficient RTC solution.