STMicroelectronics M48Z35Y-70PC1 Timekeeper SRAM

The M48Z35Y-70PC1 from STMicroelectronics is a 256 Kbit (32K x 8) Timekeeper SRAM. This highly integrated battery-backed SRAM device includes a built-in 32.768 kHz oscillator and a real-time clock (RTC) in a single package. It is designed to maintain full functionality in the absence of power, ensuring data retention and accurate timekeeping, which is crucial for applications requiring reliable non-volatile memory storage and precise time tracking.

Key Features

• Integrated Power-Fail Detect: The device features a power-fail detect circuit that automatically switches to the battery supply when a power failure is detected, preserving data and maintaining clock operation.
• Low Power Consumption: With its low-power design, the M48Z35Y-70PC1 ensures minimal power draw from the battery, prolonging its life and making it an ideal choice for power-sensitive applications.
• Real-Time Clock (RTC): The integrated RTC provides seconds, minutes, hours, day, date, month, and year information, with automatic leap year compensation up to the year 2100.
• High-Speed SRAM Access: With an access time of 70ns, the SRAM offers fast read and write operations, which is essential for high-performance computing tasks.
• Byte-Wide Interface: The device's byte-wide interface allows for easy integration with most microprocessors, providing straightforward memory expansion and real-time clock functionality.

Applications

The versatility of the M48Z35Y-70PC1 makes it suitable for a wide range of applications, including:

• Industrial control systems
• Utility meters
• POS terminals
• Network routers and switches
• Medical equipment
• Automotive electronics

Overall, the M48Z35Y-70PC1 is a reliable and essential component for systems where data integrity and accurate timekeeping are critical. Its robust feature set, coupled with STMicroelectronics' reputation for quality, makes it a top choice for designers and engineers across various industries.