品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 DS1647/DS1647PFEATURES
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 Through 2099 Power-Fail Write Protection Allows for ±10% VCC Power-Supply Tolerance DS1647 Only (DIP Module): Standard JEDEC Byte-Wide 128k x 8 RAM Pinout DS1647P 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 |
