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
Feature
Description
Clock Format
BCD, 24-hour format
Interface
I2C-bus, two-wire
Voltage Range
1.0 V to 5.5 V
Package
SO8
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.
