DS1501 - Y2K-Compliant Watchdog Real-Time Clocks
The DS1501/DS1511 are full-function, year 2000compliant real-time clock/calendars (RTCs) with an RTC alarm, watchdog timer, power-on reset, battery monitors, 256 bytes NV SRAM, and a 32.768kHz output.
User access to all registers within the DS1501/DS1511 is accomplished with a byte-wide interface, a
DS1501 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
* +3.3 (W) or +5V (Y) Operation
* Precision Power-On Reset