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型号 / 厂家，封装，批号，备注，订购
DS1642AD-200/IND / ,,最新批号,原装现货 订购 PDF文档
DS1642J / National Semiconductor,Datasheet,06/07+,Clock Driver 订购 PDF文档
DS1642Y-120/IND / ,,最新批号,原装现货 订购 PDF文档
DS1642Y-200/IND / ,,最新批号,原装现货 订购 PDF文档
DS1643-100+ LEADFREE / MAXIM,DIP,07+, 订购 PDF文档
DS1643L150 / Dallas Semiconductor,Datasheet,07+,Non-Volatile (NVRAMs 订购 PDF文档
DS1643-12 / Dallas Semiconductor,Datasheet,06/07+,Real-Time Clock 订购 PDF文档
DS1644+120 / Maxim Integrated Products,Datasheet,07+,Nonvolatile Timekeep 订购 PDF文档