型号 / 厂家，封装，批号，备注，订购

54LS181DMQB / National Semiconductor,Datasheet,07+,4-Bit ARITHMETIC LOG 订购 PDF文档

54LS181LMQB / National Semiconductor,Datasheet,07+,4-Bit Arithmetic Log 订购 PDF文档

54LS181W / Raytheon Electronics,Datasheet,07+,4-Bit Arithmetic Log 订购 PDF文档

54LS182 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档

54LS182FM / Fairchild Semiconductor,Datasheet,07+,Look-Ahead Carry Gen 订购 PDF文档

54LS189DM / Fairchild Semiconductor,Datasheet,07+,64-BIT RANDOM ACCESS 订购 PDF文档

54LS190DM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54LS190W / Raytheon Electronics,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54LS191/B2A / Philips Semiconductors,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54LS191FM / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档