DS1500 Datasheet - Dallas Semiconducotr

DS1500 Y2K Watchdog RTC

The DS1500 is a full-function, year 2000-compliant real-time clock/calendar (RTC) with an alarm, watchdog timer, power-on reset, battery monitors, 256 bytes of on-board nonvolatile (NV) SRAM, NV control for backing up an external SRAM, and a 32.768kHz output. User access to all registers within the .

DS1500 Features

* BCD-Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap-Year Compensation Valid Up to the Year 2100 Programmable Watchdog Timer and RTC Alarm Century Register; Y2K-Compliant RTC Automatic Battery Backup and Write Protection to External SRAM +5V Operation Prec

DS1500_DallasSemiconducotr.pdf