DS1643
searchIcon

DS1643

非易失时钟RAM

更多 showmore-icon

产品详情
特性
  • 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 Reside in the Eight Top RAM Locations
  • Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power
  • Access Times of 85ns and 100ns
  • BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Up to 2100
  • 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
  • DS1643 Only (DIP Module)
    • Standard JEDEC Byte-Wide 8K x 8 RAM Pinout
    • DS1643P 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

产品技术资料帮助

close icon

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

软件和型号相关生态系统

软件和型号相关生态系统

最新评论

最新评论

需要发起讨论吗? 没有关于 ds1643的相关讨论?是否需要发起讨论?
在论坛上发起讨论

最新浏览