型号 / 厂家，封装，批号，备注，订购

54LS28W / Raytheon Electronics,Datasheet,07+,NOR-Function Buffer 订购 PDF文档

54LS290FM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54LS293FM / Various,Datasheet,07+,4-Bit Binary Up Coun 订购 PDF文档

54LS295A / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档

54LS295ADMQB / National Semiconductor,Datasheet,07+,4-Bit SHIFT REGISTER 订购 PDF文档

54LS691FK/B / REI,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS73W / Raytheon Electronics,Datasheet,07+,Dual J-K Flip-Flop 订购 PDF文档

54LS74A/BDA / Philips Semiconductors,Datasheet,07+,Dual D-Type Flip-Flo 订购 PDF文档

54LS74FM / Various,Datasheet,07+,Dual D-Type Flip-Flo 订购 PDF文档

54LS74W / Raytheon Electronics,Datasheet,07+,Dual D-Type Flip-Flo 订购 PDF文档