型号 / 厂家，封装，批号，备注，订购

DM74S40 / Fairchild Semiconductor,Datasheet,06/07+,Dual 4-Input NAND Bu 订购 PDF文档

DM74S471 / National Semiconductor,Datasheet,07+,256 x 8 TTL PROM Mem 订购 PDF文档

DM74S471J / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S471N / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S472BJ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM74S387V / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S470 / National Semiconductor,Datasheet,07+,256 x 8 TTL PROM Mem 订购 PDF文档

DM74S470J / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM74S472BN/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S470N / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档