Texas Instruments

DP8573AV

DP8573AV Description

The DP8573AV is a Real-Time Clock (RTC) and Calendar IC designed by Texas Instruments, offering a robust solution for timekeeping applications. This device is housed in a 28-pin PLCC package and features a parallel interface, making it suitable for a variety of electronic systems. The DP8573AV operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard 5V systems. Additionally, it supports a battery backup voltage range of 2.2V to 5.1V, providing reliable timekeeping even during power outages.

DP8573AV Features

The DP8573AV boasts several unique features that set it apart from other RTC ICs. It includes an alarm function and leap year compensation, ensuring accurate timekeeping over extended periods. The time format is configurable for both 12-hour and 24-hour formats, displayed as HH:MM:SS:hh, offering flexibility in various applications. The device also features a maximum timekeeping current of 1µA at 5V, making it highly energy-efficient.

DP8573AV Applications

The DP8573AV is ideal for applications requiring precise timekeeping and calendar functions. It is commonly used in embedded systems, industrial control panels, and consumer electronics where accurate time display and alarm functionality are essential. The parallel interface allows for straightforward integration with microcontrollers and other system components, facilitating easy implementation in a wide range of designs. The device's surface mount mounting type and moisture sensitivity level of 2A (4 weeks) make it suitable for automated assembly processes and reliable operation in various environmental conditions.

Conclusion of DP8573AV

The DP8573AV from Texas Instruments is a versatile and reliable RTC and Calendar IC, offering a comprehensive set of features for accurate timekeeping. Its low power consumption, alarm functionality, and leap year compensation make it a superior choice for applications requiring precise time management. Despite being marked as obsolete, the DP8573AV remains a valuable component for legacy systems and new designs where its unique features are required.