型号 / 厂家，封装，批号，备注，订购

54LS50 / TI/NS,CDIP,05+,协顺发科技.现货库存.质量保证.价格优势. 订购 PDF文档

54LS502 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档

54LS502DM / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

54LS502DMQB / National Semiconductor,Datasheet,07+,Successive Approxima 订购 PDF文档

54LS503 / National Semiconductor,Datasheet,07+, 订购 PDF文档

54LS503FMQB / National Semiconductor,Datasheet,07+,Successive Approxima 订购 PDF文档

54LS504DM / Various,Datasheet,07+,Successive Approxima 订购 PDF文档

54LS51LM / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS51LMQB / National Semiconductor,Datasheet,07+,DUAL 2-WIDE 2-INPUT 订购 PDF文档

54LS51W / Raytheon Electronics,Datasheet,07+,2-2-3-3-Input AND-OR 订购 PDF文档