型号 / 厂家，封装，批号，备注，订购

DM74LS181CW / Fairchild Semiconductor,Datasheet,07+,4-Bit Arithmetic Log 订购 PDF文档

DM74LS189J / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档

DM74LS192M / National Semiconductor,Datasheet,07+,54LS192/DM74LS192 Up 订购 PDF文档

DM74LS194A / Fairchild Semiconductor,Datasheet,07+,4-Bit Bidirectional 订购 PDF文档

DM74LS195AW / National Semiconductor,Datasheet,06/07+,4-Bit Shift Register 订购 PDF文档

DM74LS196 / National Semiconductor,Datasheet,06/07+,Presettable Decade C 订购 PDF文档

DM74LS196M / National Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

DM74LS197 / National Semiconductor,Datasheet,06/07+,Presettable Binary C 订购 PDF文档

DM74LS22 / National Semiconductor,Datasheet,07+,Dual 4-Input NAND Ga 订购 PDF文档

DM74LS221CW / Fairchild Semiconductor,Datasheet,07+,Dual Non-Retriggerab 订购 PDF文档