型号 / 厂家，封装，批号，备注，订购

54LS197/BDA / Philips Semiconductors,Datasheet,07+,4-Bit Binary Up Coun 订购 PDF文档

54LS20/BDA / Philips Semiconductors,Datasheet,07+,4-Input NAND-Functio 订购 PDF文档

54LS20BCBJC / ,,最新批号,原装现货 订购 PDF文档

54LS20LMQB / National Semiconductor,Datasheet,07+,Dual 4-Input NAND Ga 订购 PDF文档

54LS20W / Raytheon Electronics,Datasheet,07+,4-Input NAND-Functio 订购 PDF文档

54LS219AJ/B / REI,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS21FM / Various,Datasheet,07+,4-Input AND-Function 订购 PDF文档

54LS21J/883 / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS21LM / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS21W / Raytheon Electronics,Datasheet,07+,4-Input AND-Function 订购 PDF文档