The M48Z58X-70PC1 is a 64 Kbit 8K x 8 TIMEKEEPER<sup>® SRAM which integrates a binary time counter, a battery, and a power-fail control circuit. This innovative product from STMicroelectronics is designed to maintain a seamless supply of power to the memory and real-time clock functionalities in the event of a primary power failure, making it an ideal choice for a wide range of applications requiring reliable data and timekeeping.

Key Features

• Integrated Power Supply: The device includes a factory-installed SNAPHAT<sup>® top which contains the battery and crystal. This unique design ensures a stable power supply for the SRAM and clock operations.
• High Precision: The real-time clock (RTC) has an accuracy of ±1 minute per month at 25°C, which is suitable for precision applications that require accurate timekeeping.
• Low Power Consumption: Designed with power efficiency in mind, the M48Z58X-70PC1 is optimal for battery-backed applications, ensuring a long battery service life.
• Automatic Power-Fail Chip Deselect and Write Protection: This feature ensures data integrity during power transitions, preventing data corruption by disabling write access.

Applications

The M48Z58X-70PC1 is versatile and can be used in a variety of applications including:

• Utility Meters
• Security Systems
• Industrial Control Systems
• Point of Sale Terminals
• Network Routers and Switches

Technical Specifications

• Memory Size: 64 Kbit (8K x 8)
• Encapsulation: 28-pin, 600 mil DIP
• Operating Temperature: 0°C to +70°C
• Access Time: 70ns
• Supply Voltage: 4.5V to 5.5V

With its robust design and integrated features, the M48Z58X-70PC1 from STMicroelectronics is a reliable choice for maintaining critical data and time information across a range of electronic products.