The DS1743-120 is a robust non-volatile (NV) static RAM device from Maxim Integrated that offers a substantial memory capacity of 256k (32K x 8) for applications requiring data preservation during power loss. This high-performance component is designed with an integrated lithium energy source and a precision real-time clock, making it an ideal choice for critical data storage and timekeeping applications.

Key Features

• Integrated Power Source: The DS1743-120 comes with a self-contained lithium battery that ensures data retention for a minimum of 10 years in the absence of external power.
• Real-Time Clock (RTC): An embedded RTC provides timekeeping functionality with seconds, minutes, hours, day, date, month, and year information. The clock is accurate to ±1 minute per month at 25°C.
• Memory Capacity: With a 256k memory capacity, this NV SRAM is suitable for applications that require significant data storage without the risk of data loss during power failures.
• Automatic Write-Protection: The device includes write-protection circuitry that is automatically enabled during power-down and power-up cycles, preventing data corruption during transient conditions.
• Low Power Consumption: The DS1743-120 is designed for energy efficiency, with typical standby currents of only 1µA, making it suitable for battery-powered applications.

Applications

• Industrial control systems
• Utility meters
• Medical devices
• Telecommunications equipment
• Embedded systems

The DS1743-120 is available in a 120ns access time version, ensuring rapid data retrieval and storage, which is critical for high-speed microprocessor systems. With its combination of non-volatility, integrated battery, and precise timekeeping, the DS1743-120 is a reliable choice for maintaining critical data and system integrity in various applications.