STMicroelectronics M48Z58Y-70MH1F Timekeeper SRAM

The M48Z58Y-70MH1F is a 64 Kbit 8Kb x8 Timekeeper SRAM designed by STMicroelectronics. This innovative product integrates a highly reliable quantity of static RAM with a full-featured real-time clock (RTC) in a single package. The unique integration of memory and time-keeping functions allows for a range of applications, from industrial control systems to communication devices, where accurate time-stamping and reliable data storage are crucial.

One of the key features of the M48Z58Y-70MH1F is its self-contained battery, which ensures that timekeeping and RAM data are maintained in the absence of an external power supply. This makes it an ideal choice for systems that require data and time to be preserved across power cycles or in the event of unexpected power failures.

The device operates at a voltage range of 4.5V to 5.5V and offers a stable and accurate timekeeping capability with a precision of ±5 ppm at 25°C. It is encapsulated in a 28-pin, 600 mil SOIC package, which allows for easy integration into a variety of circuit designs. The access time of 70ns makes the M48Z58Y-70MH1F a high-speed SRAM, suitable for applications that require both rapid data access and reliable non-volatile storage.

Additional features include a programmable alarm and interrupt function, which can be set to trigger on a specific date, day of the week, hour, minute, or second. This functionality is particularly useful for scheduling tasks or monitoring events within an embedded system. The clock also accounts for leap years up to the year 2100, ensuring long-term accuracy without the need for manual adjustments.

The M48Z58Y-70MH1F from STMicroelectronics is a testament to the company's commitment to providing integrated solutions that cater to the evolving needs of modern electronic systems. Its combination of speed, reliability, and integrated timekeeping functions make it a versatile choice for designers looking to enhance the functionality and resilience of their applications.