STMicroelectronics M48T212V-85MH1E Timekeeper SRAM

The M48T212V-85MH1E is a high-performance, low-power Timekeeper SRAM designed by STMicroelectronics, a global leader in semiconductor solutions. This integrated battery-backed SRAM and real-time clock (RTC) module provides a full-featured, byte-addressable SRAM with a built-in timekeeping function, making it ideal for a wide range of applications that require reliable data storage and precise timekeeping capabilities.

Key Features

• Capacity: The device offers a memory capacity of 2 Mbit (256K x 8 bits), providing ample storage for critical data that needs to be preserved during power loss.
• Speed: With an access time of 85ns, the M48T212V-85MH1E ensures quick data retrieval, enhancing the performance of the system it's integrated into.
• Integrated Power-Fail Detect: The module includes an automatic power-fail chip deselect and write protection, safeguarding the data during power transitions.
• Battery: A built-in, long-life battery ensures that data and clock functionality are maintained for a minimum of 10 years in the absence of external power.
• Real-Time Clock: The RTC provides seconds, minutes, hours, day, date, month, and year information, with automatic leap year compensation valid up to 2100.
• Package: Encased in a 44-pin SOH (SOIC) package, the M48T212V-85MH1E is designed to be easily integrated into a variety of system designs.

Applications

The M48T212V-85MH1E is versatile and can be used in multiple applications, including:

• Industrial systems
• Embedded computing
• Communications equipment
• POS terminals
• Network servers
• Utility meters
• Medical devices

Reliability and Performance

STMicroelectronics' commitment to quality and reliability is evident in the M48T212V-85MH1E Timekeeper SRAM. The device's integration of non-volatile memory and precise timekeeping ensures that critical data and time information are preserved without the need for an external battery or additional components. This makes the M48T212V-85MH1E a compact, reliable, and cost-effective solution for systems that cannot afford to lose data or time synchronization.