STMicroelectronics M48T18120PC1 Timekeeper RAM

The M48T18120PC1 is a state-of-the-art integrated Timekeeper® RAM produced by STMicroelectronics, a leading global semiconductor company. This device is a perfect blend of a high-performance CMOS static RAM, a real-time clock, a power-fail control circuit, and a lithium energy source. The integration of these components into a single package allows for a highly reliable and compact non-volatile memory and real-time clock solution.

Key Features

• Memory Storage: The M48T18120PC1 comes with 1 Mbit (128Kb x8) of non-volatile static RAM, offering ample storage for critical data that must be preserved in the event of a power loss.
• Real-Time Clock (RTC): It has an integrated real-time clock with an accuracy of ±5 ppm at 25°C, which includes a year, month, date, day, hour, minute, and second counters.
• Automatic Battery Switchover: During power failures, the device automatically switches to its integrated lithium battery, ensuring uninterrupted operation of the clock and retention of RAM data.
• Low Power Consumption: The M48T18120PC1 is designed for low power consumption, making it ideal for battery-powered systems.
• Software Controlled Clock Calibration: For precise timekeeping, the clock frequency can be fine-tuned by software.
• Package: The device is available in a 28-pin, 600 mil, plastic DIP package, which is well-suited for standard PCB layouts.

Applications

The M48T18120PC1 is versatile and can be used in a wide variety of applications, including:

• Utility meters
• Security systems
• Industrial control systems
• Point-of-sale terminals
• Network servers
• Medical devices

Conclusion

The M48T18120PC1 from STMicroelectronics represents a reliable and convenient solution for systems that require non-volatile memory storage and precise timekeeping. Its integrated battery and power-fail control ensure data retention and clock operation under any power condition, making it an indispensable component for critical data and time-sensitive applications.