IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN74LS423 / Texas Instruments,Datasheet,06/07+,RETRIGGERABLE MONOST 订购 PDF文档
SN74LS42DS0P16 / ,,最新批号,现货库存 订购 PDF文档
SN74LS42M / On Semiconductor,Datasheet,07+,One-of-Ten Decoder 订购 PDF文档
SN74LS42ND/C2004 / ,,最新批号,原装现货 订购 PDF文档
SN74LS440 / Texas Instruments,Datasheet,07+,QUADRUPLE TRIDIRECTI 订购 PDF文档
SN74LS440N / ,,08/09+,全新原装现货库存 订购 PDF文档
SN74LS441 / Texas Instruments,Datasheet,06/07+,QUADRUPLE TRIDIRECTI 订购 PDF文档
SN74LS442 / ,,08/09+,全新原装现货库存 订购 PDF文档