型号 / 厂家，封装，批号，备注，订购

54LS90DM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54LS90DMQB / National Semiconductor,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54LS90FMQB / National Semiconductor,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54LS91W / Raytheon Electronics,Datasheet,07+,8-Bit Shift Register 订购 PDF文档

54LS92DM / Texas Instruments,Datasheet,07+,DIVIDE-BY-TWELVE COU 订购 PDF文档

54LS92FM / Texas Instruments,Datasheet,07+,DIVIDE-BY-TWELVE COU 订购 PDF文档

54LS92J/B / REI,原厂原装,08+07+,7到10天国际现货 订购 PDF文档

54LS92W / Raytheon Electronics,Datasheet,07+,Binary Up 订购 PDF文档

54LS93DM / Various,Datasheet,07+,4-Bit Binary Up Coun 订购 PDF文档

54LS93FM / Various,Datasheet,07+,4-Bit Binary Up Coun 订购 PDF文档