The DS2251T-32-16 from Maxim Integrated is a robust, full-featured Nonvolatile (NV) Timekeeping RAM that combines a real-time clock, a microprocessor-compatible 32K x 8 static RAM, and a full-function timer, all in one integrated package. This product is designed to maintain data integrity and accurate timekeeping in the event of a power failure, making it an ideal choice for a wide range of applications including industrial control systems, medical devices, and communication equipment.

One of the key features of the DS2251T-32-16 is its integrated lithium energy source and control circuitry, which ensures that the timekeeping and RAM functions continue to operate for over 10 years in the absence of external power. The device offers a precision real-time clock that tracks time in seconds, minutes, hours, days, date, month, and year, with automatic leap year compensation valid up to the year 2100.

The user-accessible 32K x 8 static RAM can be used to store data or program code, and is directly accessible via a standard microprocessor bus. The nonvolatile controller within the DS2251T-32-16 automatically switches to the onboard lithium battery when a power failure is detected, ensuring that the data is preserved without user intervention.

The DS2251T-32-16 also features a versatile timer that can be configured for a variety of functions, including time-of-day alarms, interval timers, and watchdog timers. This timer is programmable down to 1/100th of a second, allowing for precise time-based operations. Additionally, the device is fully compatible with the Dallas Semiconductor's 1-Wire® protocol, making it easy to integrate into existing systems.

Encased in a 28-pin, 600-mil DIP package, the DS2251T-32-16 is designed for easy implementation into a broad range of applications. Its reliability, combined with Maxim Integrated's commitment to high-quality products, ensures that this NV Timekeeping RAM is a smart choice for designers seeking a dependable and long-lasting solution.