Maxim Integrated DS1743WP-120+ Nonvolatile Timekeeping RAM

The DS1743WP-120+ is a robust, high-performance nonvolatile timekeeping RAM module from Maxim Integrated, designed to offer a reliable and efficient solution for applications requiring both a real-time clock (RTC) and battery-backed SRAM. This integrated device ensures data integrity and precise timekeeping, even in the event of a power failure, making it an ideal choice for a wide range of applications, including industrial controls, telecommunications, and embedded systems.

Key Features

• Integrated Power-Fail Write Protection: The DS1743WP-120+ includes an automatic write-protect feature that activates during power failures, safeguarding the integrity of the data stored in the SRAM.
• Real-Time Clock: With a built-in RTC, this module keeps accurate time and date, ensuring that all time-stamped data is consistently reliable.
• Battery-Backed SRAM: The 4K x 8 nonvolatile static RAM is maintained by an onboard lithium battery, which allows the RAM to retain data for over 10 years in the absence of external power.
• Low Power Consumption: Designed for energy efficiency, the DS1743WP-120+ consumes minimal power, which is crucial for battery-dependent applications.
• Surface-Mount Package: The module comes in a 34-pin PowerCap Module (PCM) package, facilitating easy mounting on a variety of PCBs.
• Industrial Temperature Range: It operates within an industrial temperature range of -40°C to +85°C, making it suitable for harsh environments.

Applications

The DS1743WP-120+ is versatile and can be employed in multiple sectors. Its primary applications include:

• Utility Meters
• Industrial Controllers
• Point of Sale (POS) Terminals
• Network Routers, Hubs, Switches, and Bridges
• Medical Equipment
• Automotive Systems

With its combination of nonvolatile memory, extended durability, and precise timekeeping, the Maxim Integrated DS1743WP-120+ stands out as a comprehensive solution for maintaining critical data and time information across a multitude of electronic systems.