型号 / 厂家，封装，批号，备注，订购

DM74LS502M / National Semiconductor,Datasheet,06/07+,Successive Approxima 订购 PDF文档

DM74LS503 / Fairchild Semiconductor,Datasheet,07+,8-Bit Successive App 订购 PDF文档

DM74LS367ACW / Fairchild Semiconductor,Datasheet,07+,Hex 3-STATE Buffer/B 订购 PDF文档

DM74LS368AN? / ,,最新批号,原装现货 订购 PDF文档

DM74LS503M / National Semiconductor,Datasheet,07+,Successive Approxima 订购 PDF文档

DM74LS563 / National Semiconductor,Datasheet,06/07+,Octal D Latch with T 订购 PDF文档

DM74LS563WM / National Semiconductor,Datasheet,06/07+,Octal D-Type Latch w 订购 PDF文档

DM74LS564 / National Semiconductor,Datasheet,07+,Octal D-Type Flip-Fl 订购 PDF文档

DM74LS564FC / National Semiconductor,Datasheet,07+,Octal D-Type Flip-Fl 订购 PDF文档

DM74LS670CW / Fairchild Semiconductor,Datasheet,07+,3-STATE 4-by-4 Regis 订购 PDF文档