型号 / 厂家，封装，批号，备注，订购

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

DM74S20 / Fairchild Semiconductor,Datasheet,06/07+,Dual 4-Input NAND Ga 订购 PDF文档

DM74S20N? / ,,最新批号,原装现货 订购 PDF文档

DM74S228N / NS,,08+,全新原装，特价热卖 订购 PDF文档

DM74S200W / National Semiconductor,Datasheet,07+,General-Purpose Stat 订购 PDF文档