NXP PCA8565TS/S410/1 Real-Time Clock

The NXP PCA8565TS/S410/1 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption and with an I2C-bus interface. This high-precision RTC offers a comprehensive range of features and is designed to address the needs of a wide array of applications that require accurate time-keeping and scheduling functions.

Equipped with an integrated 32.768 kHz quartz crystal, the PCA8565TS/S410/1 is capable of providing a stable and accurate time base for your application without the need for external components. Its compact design, encapsulated in an SO16 package, makes it suitable for space-constrained applications while ensuring reliable operation.

The device includes a battery-backup input pin and a power management system that switches to the battery supply when a power failure occurs, ensuring uninterrupted timekeeping. The low power consumption characteristic of the PCA8565TS/S410/1 makes it an ideal choice for battery-powered devices, extending the operational lifespan of your product.

Key features of the PCA8565TS/S410/1 include:

• Calendar function with alarm and timer capabilities
• Programmable clock output for peripheral device control
• Automatic leap year correction
• Internal Power-On Reset (POR)
• Three time log registers for timestamping battery switchover events

The device's I2C-bus interface supports standard (100 kHz), fast (400 kHz), and fast-plus (1 MHz) modes, allowing for easy integration with microcontrollers and other digital systems. With its built-in oscillator load capacitance, the PCA8565TS/S410/1 eliminates the need for external load capacitors, further simplifying the design and reducing component count.

Whether you are developing consumer electronics, industrial control systems, or portable medical devices, the NXP PCA8565TS/S410/1 offers a robust and versatile timekeeping solution that can help streamline your design and enhance the functionality of your product.