Maxim Integrated DS1302ZN+T&R Real-Time Clock (RTC)

The Maxim Integrated DS1302ZN+T&R is a highly versatile Real-Time Clock (RTC) component that provides a full binary-coded decimal (BCD) clock/calendar with 31 bytes of static random access memory (SRAM). This RTC module is designed to be a low-power, full-featured timekeeping solution suitable for a wide range of applications in consumer electronics, embedded systems, and industrial control panels.

The DS1302ZN+T&R incorporates a precision temperature-compensated crystal oscillator, ensuring high accuracy in timekeeping, with a deviation of less than ±2 minutes per month at room temperature. This accuracy is maintained over the device's full operating temperature range. The RTC is capable of tracking seconds, minutes, hours, days, date, month, and year, with automatic leap year compensation valid up to the year 2100.

One of the key features of the DS1302ZN+T&R is its simple serial interface, which facilitates easy communication with microcontrollers. It uses a simple 3-wire interface for communication and operates in either 24-hour or 12-hour format with an AM/PM indicator. The device is designed to operate on very low power, allowing it to be used in battery-backed applications where power consumption is critical.

The additional 31 bytes of SRAM provided by the DS1302ZN+T&R can be used to store additional information that needs to be preserved during power loss, making it an ideal choice for systems that require data retention without a continuous power supply. The RTC operates on a single 2.0 to 5.5V supply, making it versatile for different voltage requirements.

Maxim Integrated's DS1302ZN+T&R is available in a compact 8-pin DIP (150 mil) or SO (150 mil) package and is provided in tape and reel form for ease of integration into manufacturing processes. Its robust design and reliability make it a popular choice for engineers and designers looking to add real-time clock capabilities to their projects with minimal power draw and high precision.

Overall, the DS1302ZN+T&R from Maxim Integrated is a reliable and cost-effective solution for adding timekeeping functionality to a variety of electronic applications. Its combination of low power consumption, high accuracy, and additional memory features make it a go-to component for designers seeking to maintain accurate time and date information in their systems.