The PCF8565T by NXP Semiconductors is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption and with an I2C interface. This integrated circuit provides a full binary-coded decimal (BCD) clock and calendar, which is extremely beneficial for a wide array of consumer, industrial, and handheld applications.

Key Features

• Timekeeping Accuracy: The device maintains accurate timekeeping with a precision of minutes, seconds, and days, including corrections for leap years.
• Low Power: Designed with power-sensitive applications in mind, the PCF8565T ensures minimal power consumption, allowing for longer battery life in portable devices.
• I2C-Bus Interface: The two-line bidirectional bus is designed for robust communication and is compatible with most microcontrollers.
• Programmable Alarm and Timer Functions: These features provide additional utility, enabling the device to wake up a system or alert the user at predetermined times.
• Wide Operating Voltage: The device operates across a wide voltage range, accommodating various application requirements.

Applications

The PCF8565T is suitable for a diverse set of applications, including:

• Mobile phones
• Tablets and laptops
• Electronic metering
• Industrial and automotive systems
• Portable medical devices

Technical Specifications

With its combination of features, the PCF8565T is an excellent choice for designers who require a reliable, low-power RTC/calendar for their embedded systems.