型号 / 厂家，封装，批号，备注，订购

54LS197/BCA / Signetics/PHILIPS,CDIP14,05+,原装现货010-66001621/3 订购 PDF文档

54LS199 / ,,,原装现货 订购 PDF文档

54LS20/BCA / PHI,DIP,05+,原装现货010-66001621/3 订购 PDF文档

54LS20/BCAJCSNJ54LS20J / Motorola,CDIP14,05+,原装现货010-66001621/3 订购 PDF文档

54LS20-BCA / ,,,原装现货 订购 PDF文档

54LS20BCAJC / ,,,原装现货 订购 PDF文档

54LS20BCB / ,,,原装现货 订购 PDF文档

54LS20FMQB / National Semiconductor,Datasheet,07+,Dual 4-Input NAND Ga 订购 PDF文档

54LS20J/883B / ,,,原装现货 订购 PDF文档

54LS20J883B / ,,,原装现货 订购 PDF文档