Maxim Integrated DS1746-70+ High-Capacity NV SRAM with Clock

The Maxim Integrated DS1746-70+ is a cutting-edge, high-capacity, 3.3V non-volatile static RAM with a built-in real-time clock, designed to provide reliable data retention while maintaining the ease of use of a fast SRAM. This product is an ideal solution for systems requiring battery-backed memory and precise timekeeping, making it perfect for a wide range of applications in industrial control systems, telecommunications, network servers, and other electronic systems where data integrity and uptime are critical.

With a 256k x 8-bit memory organization, the DS1746-70+ offers ample space for data storage, ensuring that your system's vital information is preserved even in the event of a power failure. The non-volatile nature of the SRAM means that data is retained without the need for an external battery, thanks to the integrated lithium energy source which is intelligently controlled by a built-in power-fail circuit. This feature guarantees a seamless transition to battery backup mode, preserving data integrity and clock functionality.

The real-time clock (RTC) component of the DS1746-70+ provides timekeeping accuracy with a programmable alarm function, which can be set to trigger on a specific date, day of the week, hour, minute, or second. This level of precision is essential for time-sensitive operations and can be crucial for event logging or periodic system wake-ups.

Designed for durability, the DS1746-70+ operates within an industrial temperature range of -40°C to +85°C, ensuring stable performance under extreme conditions. The device also features an automatic write-protection mechanism during power-up and power-down, further protecting the integrity of the stored data.

For ease of integration, the DS1746-70+ is available in a 34-pin 600-mil PowerCap Module (PCM) package, which allows for direct surface mounting or socket insertion. This flexibility in mounting options makes it a versatile choice for various design layouts.

In summary, the Maxim Integrated DS1746-70+ is a robust and reliable memory solution that combines the convenience of SRAM access with the assurance of non-volatile storage, complete with a precision real-time clock, all in one compact package.