refurbished
Nonvolatile Timekeeping RAM
Integrates 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 Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Up to 2100 Power-Fail Write Protection Allows for & 177 10% VCC Power Supply Tolerance DS1646 only DIP Module Standard JEDEC Bytewide 128k x 8 RAM Pinout DS1646P Only PowerCap Module Board Surface Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal Replaceable Battery PowerCap Power-Fail Output Pin-for-Pin Compatible with Other Densities of DS164xP Timekeeping RAM Underwriters Laboratories UL Recognized |
