The PCA8565TS/1 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption and with an I²C-bus interface. Manufactured by NXP Semiconductors, this RTC offers precise time and date tracking, and is designed for a broad range of applications, including mobile phones, consumer electronics, and embedded systems.

Key Features

• Timekeeping Accuracy: The device maintains accurate timekeeping with a frequency offset of less than 5 ppm at room temperature, ensuring high precision in time-sensitive applications.
• Low Power Consumption: With a typical power consumption of less than 0.25 μA, the PCA8565TS/1 is ideal for battery-powered devices where power efficiency is critical.
• Calendar Function: The RTC includes an integrated calendar that accounts for leap years up to the year 2099, providing a comprehensive timekeeping solution.
• I²C Interface: The two-wire I²C serial interface facilitates easy integration into existing systems and supports clock frequencies up to 400 kHz.
• Programmable Alarm and Timer Functions: It includes an alarm function and a programmable timer that can be used for wake-up signals or system resets, enhancing the device's functionality.
• Wide Operating Voltage Range: The device operates over a wide power supply voltage range from 1.3 V to 5.5 V, accommodating various system requirements.

Applications

The PCA8565TS/1 is versatile and can be used in a variety of applications, including:

• Mobile phones and smart devices
• Portable media players
• Health and fitness trackers
• Smart home automation systems
• Industrial and automotive electronics

With its compact size in a TSSOP package, the PCA8565TS/1 is easy to integrate into space-constrained designs. Its comprehensive feature set and low power consumption make it an excellent choice for designers looking to add reliable timekeeping functionality to their products.