型号 / 厂家，封装，批号，备注，订购

74LS49P / FSC,PDF,08+,全新原装进口 订购 PDF文档

74LS502FC / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

74LS503FC / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

74LS503SC / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

74LS504DC / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

74LS504FC / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

74LS504PC / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

74LS51F / ,,最新批号,现货库存 订购 PDF文档

74LS51FC / Various,Datasheet,07+,2-2-3-3-Input AND-OR 订购 PDF文档

74LS51W / Raytheon Electronics,Datasheet,07+,2-2-3-3-Input AND-OR 订购 PDF文档