型号 / 厂家，封装，批号，备注，订购

DM74S188AJ / National Semiconductor,Datasheet,07+,(32 X 8) 256-BIT TTL 订购 PDF文档

DM74S188V / National Semiconductor,Datasheet,07+,(32 X 8) 256-BIT TTL 订购 PDF文档

DM74S188AN/A+ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM74S188J/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S188N/A+ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM74S195 / National Semiconductor,Datasheet,07+,Shift Registers 订购 PDF文档

DM74S194N? / ,,最新批号,原装现货 订购 PDF文档

DM74S195N(H) / ,,最新批号,现货库存 订购 PDF文档

DM74S206J / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档

DM74S206W / National Semiconductor,Datasheet,07+,General-Purpose Stat 订购 PDF文档