Product Overview: PCF8523TK/1,118 by NXP Semiconductors

The PCF8523TK/1,118 is a sophisticated Real-Time Clock (RTC) and calendar IC from the renowned semiconductor manufacturer NXP. Designed to provide precise time and date information, this component is ideal for a wide range of applications in consumer electronics, industrial systems, and communication infrastructure.

Key Features

• Accuracy: The device offers high accuracy with a frequency offset of only ±5 ppm at room temperature, ensuring reliable timekeeping.
• Power Management: It features a low power consumption design, making it suitable for battery-powered applications. The IC also includes a battery switch-over circuit, ensuring uninterrupted timekeeping in the event of a main power failure.
• Interface: Communication with the PCF8523TK/1,118 is facilitated through an I²C-bus interface, allowing for easy integration with microcontrollers and other digital systems.
• Programmable Clock Output: A programmable clock output is available for peripheral devices, which can be used for clocking purposes or as an interrupt signal.
• Alarm Function: The device includes an integrated alarm function that can be set to a specific time, providing additional utility for time-dependent applications.

Applications

The versatility of the PCF8523TK/1,118 makes it suitable for a variety of applications, including but not limited to:

• Consumer electronics such as clocks, watches, and digital cameras
• Home appliances with timing needs
• Industrial systems for logging events
• Telecommunication systems requiring time stamps
• Portable medical devices with time tracking requirements

Specifications

The PCF8523TK/1,118 is available in a small leadless 8-pin TSSOP package, ensuring a compact footprint on PCBs. It operates over a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.

Conclusion

With its combination of precision, low power consumption, and a feature-rich design, the PCF8523TK/1,118 from NXP Semiconductors is an excellent choice for designers looking to incorporate reliable timekeeping functionalities into their products. Its ease of use, coupled with NXP's reputation for quality, makes it a go-to RTC and calendar solution for a multitude of applications.