型号 / 厂家，封装，批号，备注，订购

DM74LS169A / Fairchild Semiconductor,Datasheet,07+,Synchronous 4-Bit Up 订购 PDF文档

DM74LS169ACW / Fairchild Semiconductor,Datasheet,07+,Synchronous 4-Bit Up 订购 PDF文档

DM74LS170J / National Semiconductor,Datasheet,07+,Register File (Stati 订购 PDF文档

DM74LS170M / National Semiconductor,Datasheet,06/07+,Register File (Stati 订购 PDF文档

DM74LS170W / National Semiconductor,Datasheet,07+,Register File (Stati 订购 PDF文档

DM74LS170WM / National Semiconductor,Datasheet,06/07+,4x4 REGISTER FILE WI 订购 PDF文档

DM74LS244WM? / ,,最新批号,原装现货 订购 PDF文档

DM74LS173A / National Semiconductor,Datasheet,07+,4-Bit TRI-STATE D Re 订购 PDF文档

DM74LS174AM / National Semiconductor,Datasheet,07+,Hex D-Type Flip-Flop 订购 PDF文档

DM-74LS174M / ,,最新批号,原装现货 订购 PDF文档