型号 / 厂家，封装，批号，备注，订购

54LS27FMQB / National Semiconductor,Datasheet,07+,TRIPLE 3-INPUT NOR G 订购 PDF文档

54LS28/BCA / REI,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS283/BFBJC / ,,最新批号,原装现货 订购 PDF文档

54LS283FM / Various,Datasheet,07+,4-Bit Parallel Full 订购 PDF文档

54LS283FMQB / National Semiconductor,Datasheet,07+,4-Bit Binary Adders 订购 PDF文档

54LS283J/883 / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS283LMQB / National Semiconductor,Datasheet,07+,4-Bit Binary Adders 订购 PDF文档

54LS289 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档

54LS289FM / Various,Datasheet,07+,General-Purpose Stat 订购 PDF文档

54LS28DM / Various,Datasheet,07+,NOR-Function Buffer 订购 PDF文档