* Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source * Clock Registers are Accessed Identically to the Static RAM. These Registers are Resident in the Eight Top RAM Locations. * Century Byte Register (i.e., Y2K Compliant) * Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power * BCD-Coded Century, 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 * DIP Module Only * Standard JEDEC Byte-Wide 32k x 8 Static RAM Pinout * PowerCap Module Board Only * Surface-Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal * Replaceable Battery (PowerCap) * Power-On Reset Output * Pin-for-Pin Compatible with Other Densities of DS174xP Timekeeping RAM * Also Available in Industrial Temperature Range: -40°C to +85°C
