型号 / 厂家，封装，批号，备注，订购

54LS154DMQB / National Semiconductor,Datasheet,07+,Decoder/Demultiplexe 订购 PDF文档

54LS155LM / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS155LMQB / National Semiconductor,Datasheet,07+,Dual 2-Line to 4-Lin 订购 PDF文档

54LS244LMQB / National Semiconductor,Datasheet,07+,Octal TRI-STATEE Buf 订购 PDF文档

54LS245LMQB / National Semiconductor,Datasheet,07+,TRI-STATE Octal Bus 订购 PDF文档

54LS247DM / Various,Datasheet,07+,7-Segment Display Dr 订购 PDF文档

54LS247FM / Various,Datasheet,07+,7-Segment Display Dr 订购 PDF文档

54LS247FMQB / National Semiconductor,Datasheet,07+,BCD TO 7-SEGMENT DEC 订购 PDF文档

54LS248DMQB / Various,Datasheet,07+,7-Segment Display Dr 订购 PDF文档

54LS248FM / Various,Datasheet,07+,7-Segment Display Dr 订购 PDF文档