The M48T58Y-70MH1 is a Timekeeper SRAM integrated circuit produced by STMicroelectronics, encapsulated in a 28-pin SOP (Small Outline Package) form factor. This high-performance component is designed to address the needs of systems requiring the integration of timekeeping and memory in a single, compact module.

Key Features

• Integrated Ultra-low Power SRAM: The device boasts a 64 Kbit (8 K x 8) non-volatile static RAM, which ensures data retention without the need for an external battery.
• Built-in Real-time Clock: The M48T58Y-70MH1 features a quartz crystal which controls the real-time clock, providing precise time tracking capabilities down to seconds, minutes, hours, day, date, month, and year.
• Programmable Alarm: A programmable alarm function is available, allowing users to set up time-specific alerts, which can be crucial for time-sensitive applications.
• Automatic Power-fail Chip Deselect and Write Protection: This feature ensures data integrity during power loss by automatically switching to battery backup mode and write-protecting the memory contents.
• 10-year Battery Life and Data Retention: The device is designed with a long-life battery that provides reliable service and data retention for a minimum of 10 years in the absence of power.
• Operating Temperature Range: The M48T58Y-70MH1 operates within a temperature range of 0°C to +70°C, making it suitable for a wide array of industrial applications.
• Serial Interface: The inclusion of a serial interface facilitates easy integration into existing systems with minimal interfacing required.

Applications

The M48T58Y-70MH1 is versatile and can be used in various applications, such as:

• Embedded systems requiring reliable timekeeping
• Industrial control systems
• Telecommunication systems
• Network servers
• Utility meters

Conclusion

STMicroelectronics' M48T58Y-70MH1 is a robust, reliable, and feature-rich Timekeeper SRAM that provides a comprehensive solution for systems that require both non-volatile memory and an integrated real-time clock. Its combination of features, along with the long battery life and data retention capabilities, make it an ideal choice for many critical applications where timekeeping and data storage are paramount.