Description
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.
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.
- Power-Control Circuitry Support System Power-On from Date/Day/Time Alarm or Key Closure/Modem-Detect Signal.
- 256 Bytes Battery-Backed SRAM.
- Auxiliary Battery Input.
- Accuracy of DS15.