The DS1314S-2+ from Maxim Integrated is a state-of-the-art nonvolatile timekeeping RAM that combines the functionality of a full-featured real-time clock with the reliability of a nonvolatile memory. This innovative product ensures that both timekeeping and data storage are maintained even when the primary power source is lost.

Key Features

• Real-Time Clock: The DS1314S-2+ features a highly accurate real-time clock/calendar that tracks time in hours, minutes, and seconds. The calendar functionality accounts for leap years up to the year 2100, providing long-term dependability.
• Nonvolatile RAM: The device includes 32k x 8 bits of nonvolatile static RAM. This ensures that data is retained during power loss without the need for a battery backup, thanks to the integrated control circuitry.
• Automatic Power-Fail Detect: The built-in power-fail detect circuitry automatically switches to the backup energy source when a power failure is detected, safeguarding data integrity.
• Write Protection: A write-protect feature is included to prevent inadvertent writes to the clock or memory, which can be particularly useful during power transitions.

Applications

The DS1314S-2+ is ideal for a wide range of applications where reliable timekeeping and data retention are critical. This includes industrial systems, utility meters, POS terminals, and medical devices. Its robust feature set ensures that it can meet the demands of even the most challenging environments.

Technical Specifications

• Package: The device is available in a surface-mountable, 20-pin (300-mil) SO package, making it suitable for compact PCB layouts.
• Power Supply: It operates over a wide voltage range, typically 3.0V to 5.5V, allowing for flexible integration into various system designs.
• Temperature Range: The DS1314S-2+ is designed to perform over an industrial temperature range of -40°C to +85°C, ensuring reliability under extreme conditions.

With its combination of accurate timekeeping, nonvolatile data storage, and robust power management features, the Maxim Integrated DS1314S-2+ is an excellent choice for any application requiring reliable, long-term operation without the need for constant power.