NXP PCF85063ATT/AJ Tiny Real-Time Clock/Calendar

The NXP PCF85063ATT/AJ is a highly integrated Real-Time Clock (RTC) and calendar optimized for low power consumption and with a wealth of features for time-tracking applications. Designed by NXP Semiconductors, a trusted leader in the industry, this RTC module is ideal for a wide range of applications including mobile phones, tablets, laptops, and embedded systems where maintaining accurate time is crucial.

This compact RTC is housed in a tiny 8-pin TSSOP package, making it suitable for space-constrained applications. Despite its small size, the PCF85063ATT/AJ boasts an impressive array of features. It has a programmable clock output, timer, and interrupt function, allowing it to perform tasks such as waking up a microcontroller or triggering events at predetermined times.

Key Features:

• Accuracy: The device maintains an excellent time accuracy over a wide temperature range, ensuring reliable performance in diverse operating conditions.
• Low Power Consumption: It is designed for low power consumption, drawing minimal current in both active and standby modes, which is critical for battery-powered devices.
• I2C-Bus Interface: The PCF85063ATT/AJ communicates via a fast-mode I2C-bus interface, providing easy integration with most microcontrollers and processors.
• Programmable Features: It includes a programmable clock output, alarm, and timer functions which can be used to schedule events or wake up the host processor, contributing to overall power saving.
• Internal Oscillator: The integrated oscillator with an external 32.768 kHz quartz crystal ensures stable and precise timekeeping.
• Wide Voltage Range: The device operates over a supply voltage range of 1.3 V to 5.5 V, accommodating various power supply scenarios.

In addition to these features, the NXP PCF85063ATT/AJ offers a clock frequency accuracy of ±100 ppm at room temperature, which translates to less than a minute of time deviation per month. It also includes a battery switchover circuitry that allows for uninterrupted timekeeping when main power is lost, thus ensuring that the clock continues to run on a backup battery source.

Overall, the NXP PCF85063ATT/AJ is a versatile and reliable choice for any application where accurate timekeeping is essential. Its tiny footprint, combined with low power consumption and a rich feature set, make it an excellent choice for designers looking to add real-time clock capabilities to their projects.