STMicroelectronics M48Z58Y-70MH1E Timekeeper SRAM

The M48Z58Y-70MH1E is a 64 Kbit 8Kb x8 Timekeeper SRAM, which is a highly integrated battery-backed SRAM device from STMicroelectronics that combines a binary counter, a quartz crystal, and a power-fail control circuit in a single package. This innovative product is designed to maintain a full array of bytes for real-time clock and calendar functionality, as well as non-volatile data storage.

Key Features

• Integrated, ultra-low power SRAM, real-time clock, crystal, power-fail control circuit, and battery.
• Byte-wide RAM-like clock access.
• BCD coded year, month, day, date, hours, minutes, and seconds.
• Automatic power-fail chip deselect and write protection.
• Software controlled clock calibration for high accuracy.
• Operating temperature range from -40°C to +85°C.
• Self-contained battery and crystal in the encapsulated DIP package.
• 70ns access time, providing swift read/write operations.

Applications

The M48Z58Y-70MH1E is ideal for an array of applications where reliable timekeeping is essential. This includes industrial systems, utility meters, POS terminals, and other embedded systems that require battery-backed SRAM to preserve data and time during power outages.

Product Reliability

STMicroelectronics ensures that the M48Z58Y-70MH1E is manufactured to the highest quality standards and provides a reliable solution for data and timekeeping that is resistant to environmental factors and power instability. The integrated battery with a lifespan of over 10 years ensures long-term reliability and performance.

Easy Integration

The device is packaged in a 28-pin, 600 mil DIP, making it easy to integrate into a variety of motherboard designs. The pinout is compatible with industry-standard JEDEC-approved footprints, facilitating a smooth design-in process.

For more detailed information, datasheets, technical specifications, and application notes, customers are encouraged to visit the official STMicroelectronics website or contact their sales and support team.