* Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, Lithium Energy Source * Clock Registers are Accessed Identically to the Static RAM; These Registers Reside in the 16 Top RAM Locations * Century Byte Register (i.e., Y2K Compliant) * Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power * Precision Power-On Reset * Programmable Watchdog Timer and RTC Alarm * BCD-Coded Year, Month, Date, Day, Hours, minutes, and Seconds with Automatic * Leap- Year Compensation Valid Up to the Year 2100 * Battery Voltage-Level Indicator Flag * Power-Fail Write Protection Allows for ±10% VCC Power-Supply Tolerance * Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time * Also Available in Industrial Temperature Range: -40°C to +85°C
