The M48T37Y-70MH1F is a high-performance 256 Kbit (32K x 8) Timekeeper SRAM designed by STMicroelectronics. This integrated, ultra-low-power SRAM, real-time clock, power-fail control circuit, and battery all come in a single monolithic package, providing a complete and reliable solution for power-sensitive applications.

Key Features

• Integrated Battery: The device includes a built-in, long-life battery that ensures data retention and proper real-time clock operation when external power is lost.
• Real-Time Clock (RTC): The RTC provides seconds, minutes, hours, day, date, month, and year information with leap year compensation up to the year 2100.
• Access Time: This Timekeeper SRAM offers fast access time of 70ns, making it suitable for high-speed microprocessor systems.
• Automatic Power-Fail Chip Deselect and Write Protection: These features write-protect the memory when VCC is below the power-fail deselect voltage.
• Low Power Consumption: Designed for low power consumption, the M48T37Y-70MH1F is ideal for battery-backed applications.

Applications

The M48T37Y-70MH1F is perfect for a range of applications that require a reliable non-volatile memory with an embedded timekeeping feature. It is commonly used in:

• Industrial systems
• Embedded systems
• Utility meters
• Security systems
• Network routers, hubs, switches, and bridges

Reliability and Quality

STMicroelectronics is renowned for its commitment to manufacturing high-quality and reliable components. The M48T37Y-70MH1F Timekeeper SRAM is no exception, offering stable and durable performance in a variety of conditions. Its encapsulated battery prevents tampering and increases safety, making it a trusted choice for critical data and time-keeping applications.

Package and Mounting

Encased in a 44-pin, 400 mil SOH package, the M48T37Y-70MH1F is designed for surface mount technology (SMT) and is RoHS compliant, aligning with environmental standards.