The DS1386-8K-120 from Maxim Integrated is a robust, full-function timekeeper module that integrates a wealth of features to ensure reliable timekeeping and system monitoring in a variety of applications. This device is designed to provide a comprehensive solution for systems requiring real-time clock/calendar functions, a programmable watchdog timer, alarm interrupts, and battery-backed SRAM.

Key Features

• Real-Time Clock/Calendar: The DS1386-8K-120 maintains seconds, minutes, hours, day, date, month, and year information with automatic leap year compensation up to the year 2100, ensuring accurate timekeeping over extended periods.
• Watchdog Timer: A programmable watchdog timer can be set to generate a system reset if the system fails to strobe within a preset time interval, enhancing system reliability.
• Alarm Function: The device includes an alarm function that can be programmed to activate on a per-second, per-minute, per-hour, or per-day basis, providing flexibility for various timing-related tasks.
• Battery-Backed SRAM: With 8K x 8 of nonvolatile SRAM, the DS1386-8K-120 allows for the storage of critical data that must be preserved during power loss events.
• Power Management: The module includes a power-fail chip-enable output which can be used to switch to battery backup supply, ensuring data integrity during power failures.
• Package and Interface: The DS1386-8K-120 is available in a 120 ns access time version and is packaged in a 24-pin EDIP or 28-pin SOIC, providing a versatile interface for easy integration into various system designs.

Applications

The DS1386-8K-120 is ideal for use in systems that require reliable timekeeping and data retention, including utility meters, security systems, telecommunications equipment, and embedded systems. Its robust feature set and integrated power management also make it an excellent choice for industrial and automotive applications where uptime and data integrity are critical.

Summary

Overall, the Maxim Integrated DS1386-8K-120 Watchdog Timekeeper RAM offers a reliable and versatile solution for maintaining accurate time, system monitoring, and data retention in a wide range of applications. Its integrated features and ease of integration make it a valuable component for any system where timekeeping is essential.