The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, alarms, watchdog timers, and interval timers in a 28-pin JEDEC DIP and encapsulated DIP package.
It has an internal battery.
Products that use this in their circuit boards includes the ABB Infi-90 BRC-100 Bridge Controller control card (Harmony /Symphony). It has the NVRAM. Please enquire with us if you require these.
Note: Dallas Semiconductor was acquired by Maxim Integrated.