STMicroelectronics MK48T08B-10 Timekeeper SRAM

The MK48T08B-10 is a high-performance, 8K x 8 Timekeeper SRAM designed by STMicroelectronics to provide a full-featured battery-backed non-volatile memory with a built-in real-time clock (RTC). It is an ideal solution for applications requiring reliable data storage and precise timekeeping, commonly used in industrial control systems, telecommunications, and embedded electronics.

Key Features

• Integrated Real-Time Clock (RTC): The device includes a quartz crystal-controlled clock that maintains accurate time tracking, even when the main power is lost, thanks to its onboard battery.
• Non-Volatile SRAM: With a storage capacity of 8K x 8 bits, the SRAM allows for quick data access and retention without an external power supply, safeguarding data integrity during power outages.
• Automatic Battery Switch-over: The MK48T08B-10 automatically switches to its backup battery when the main power supply fails, ensuring continuous operation of the clock and data retention.
• Low Power Consumption: Designed for energy efficiency, the device consumes minimal power, which is crucial for battery-backed memory applications.
• 10-Year Minimum Data Retention: The onboard lithium battery provides long-term data retention, with a minimum of 10 years of data retention capability.

Technical Specifications

• Access Time: The MK48T08B-10 offers fast access times of 100 ns, enabling quick data retrieval and storage.
• Battery: The integrated lithium battery ensures long-term reliability and a stable power source for the RTC and SRAM.
• Package: The device is available in a 28-pin, 600 mil DIP package, making it suitable for standard PCB layouts.
• Operating Temperature: It operates within a temperature range of 0°C to 70°C, suitable for commercial-grade applications.

Applications

The MK48T08B-10 is versatile and can be used across multiple industries. Its robust design and reliable performance make it perfect for:

• Industrial control systems
• Network servers and telecommunications
• Embedded systems
• Utility meters
• POS terminals
• Medical equipment

With its combination of non-volatile memory and integrated RTC, the STMicroelectronics MK48T08B-10 Timekeeper SRAM stands out as a comprehensive solution for applications where data integrity and accurate timekeeping are paramount.