NXP PCF85263ATL/AX Tiny Real-Time Clock/Calendar

The NXP PCF85263ATL/AX is a state-of-the-art Real-Time Clock (RTC) and calendar optimized for low power consumption and with a wealth of features for time-tracking applications. This small-footprint, I²C-bus interface RTC is ideal for a wide range of applications in consumer electronics, industrial, and utility metering.

Key Features

• Time Accuracy: The device maintains accurate time tracking with a frequency offset of less than 5 ppm at room temperature, ensuring precision in time-sensitive applications.
• Calendar Functionality: It includes an automatic leap year correction and supports seconds, minutes, hours, day, date, month, and year information. The calendar is accurate until 2099, with no need for manual updates.
• Low Power Consumption: Designed for battery-powered devices, it operates in a wide voltage range from 1.3 V to 5.5 V, making it highly versatile for various power scenarios.
• Programmable Clock Output: The PCF85263ATL/AX features a programmable clock output for peripheral devices, allowing for system-wide synchronization.
• Alarm and Timer Functions: It includes an alarm function that can be set to a specific time or date, and a countdown timer for added functionality.
• Small Package: Available in a tiny package, it is perfect for space-constrained applications, offering a compact solution without compromising on features.
• I²C Interface: The device's I²C-bus interface supports both Standard-mode and Fast-mode, providing easy integration with most microcontrollers.

Applications

The versatility of the NXP PCF85263ATL/AX makes it suitable for a variety of applications, including:

• Portable devices such as wearables and handheld electronics
• Industrial systems requiring precise timekeeping
• Utility metering equipment
• Smart home automation systems
• IoT devices

With its combination of low power consumption, extensive timekeeping features, and small size, the NXP PCF85263ATL/AX RTC is an excellent choice for designers looking to add reliable time and date functionality to their projects without a significant power or space footprint.