The NXP PCF1252-9T is a highly integrated, low power real-time clock/calendar optimized for timekeeping in a broad range of electronic applications. This device offers a comprehensive set of features that make it an ideal choice for systems that require accurate timekeeping, extended battery life, and minimal power consumption.

Key Features

• Timekeeping Accuracy: The PCF1252-9T maintains precise timekeeping with its built-in 32.768 kHz quartz crystal that serves as a time base for the clock and calendar functions.
• Low Power Consumption: Designed for battery-powered applications, the device operates in low-power mode, ensuring minimal drain on system resources and extending battery life.
• Calendar Function: The integrated calendar function automatically adjusts for months with fewer than 31 days, including corrections for leap years, up to the year 2100.
• Programmable Alarm: A programmable alarm function allows users to set up daily or weekly alarms, providing versatility for a range of time-based tasks.
• I2C-Bus Interface: The device features a two-wire I2C serial interface, facilitating easy integration into existing systems with minimal pin count.

Applications

The PCF1252-9T is suitable for a wide array of applications that require reliable timekeeping and calendar functions. These include:

• Handheld and portable devices
• Utility meters
• Consumer electronics
• Industrial systems
• Healthcare devices

Technical Specifications

With its robust feature set and low power operation, the NXP PCF1252-9T is an excellent choice for designers looking to incorporate a reliable real-time clock/calendar into their systems.