型号 / 厂家，封装，批号，备注，订购

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

74LS534B1 / ,,最新批号,原装现货 订购 PDF文档

74LS534J / Various,Datasheet,07+,Octal D-Type Flip-Fl 订购 PDF文档

74LS75DC / Fairchild Semiconductor,Datasheet,07+,Quadruple D-Type Lat 订购 PDF文档