DS1558
Watchdog Clock with NV RAM Control
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FEATURES
Integrated Real-Time Clock (RTC), PowerFail Control Circuit, and NV RAM Controller
Clock Registers are Accessed Identically to the Static RAM; These Registers are Resident in the 16 Top RAM Locations
Century Register Greater than 10 Years of Timekeeping and
Data Retention in the Absence of Power with Small Lithium Coin Cell(s) and Low-Leakage SRAM Precision Power-On Reset Programmable Watchdog Timer and RTC Alarm BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic LeapYear Compensation Valid Up to the Year 2100 Battery
Voltage-Level Indicator Flag
Power-Fail Write Protection Allows...