The M48T35Y-70MH1 is a high-performance, 256 Kbit (32K x 8) Timekeeper® SRAM designed by STMicroelectronics. This integrated, ultra-low-power SRAM and real-time clock (RTC) component is a key solution for systems that require reliable non-volatile memory and an accurate time base for time-stamping data or events.

Key Features

• Integrated Power-Fail De-Select (VPFD): This feature automatically switches to the battery supply during power failures, ensuring data preservation and clock operation without interruption.
• Real-Time Clock (RTC): The device includes a quartz crystal controlled clock that provides high-precision time tracking, with a typical accuracy of ±5 ppm at 25°C.
• Low Power Consumption: Designed for energy efficiency, the M48T35Y-70MH1 is optimal for battery-backed applications.
• Self-Contained Battery and Crystal: The encapsulated lithium battery and a tuned crystal oscillator are integrated into the package, providing a complete timekeeping solution.
• Programmable Alarm: A programmable alarm function is available, which can be set to a specific time and date, triggering a system response when needed.
• 4.5 to 5.5V Operating Voltage: The device operates within this voltage range, suitable for most standard digital circuits.
• Access Time of 70ns: The fast access time allows for quick data retrieval, making it suitable for high-performance applications.

Applications

The M48T35Y-70MH1 is ideal for a wide range of applications where accurate timekeeping is crucial. This includes:

• Industrial Systems
• Telecommunication Systems
• Embedded Processors
• Utility Meters
• POS Terminals
• Network Routers and Switches

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability, and the M48T35Y-70MH1 is no exception. It is designed to meet the rigorous demands of industrial and commercial applications, ensuring long-term reliability and performance.