型号 / 厂家，封装，批号，备注，订购

DM74LS393CW / Fairchild Semiconductor,Datasheet,07+,Dual 4-Bit Binary Co 订购 PDF文档

DM74LS393N? / ,,最新批号,原装现货 订购 PDF文档

DM74LS395 / National Semiconductor,Datasheet,07+,4-Bit Shift Register 订购 PDF文档

DM74LS42 / National Semiconductor,Datasheet,06/07+,BCD-Decimal Decoders 订购 PDF文档

DM74LS447N / National Semiconductor,Datasheet,07+,BCD to 7-Segment Dec 订购 PDF文档

DM74LS450AJ / National Semiconductor,Datasheet,06/07+,16:1 Multiplexer 订购 PDF文档

DM74LS450AV / National Semiconductor,Datasheet,07+,16:1 Multiplexer 订购 PDF文档

DM74LS451A / National Semiconductor,Datasheet,06/07+,Dual 8:1 Multiplexer 订购 PDF文档

DM74LS453A / National Semiconductor,Datasheet,06/07+,Quad 4:1 Multiplexer 订购 PDF文档

DM74LS453AJ / National Semiconductor,Datasheet,07+,Quad 4:1 Multiplexer 订购 PDF文档