型号 / 厂家，封装，批号，备注，订购

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

DM74S472AJ/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S473AJ / National Semiconductor,Datasheet,06/07+,(512 x 8) 4096-Bit T 订购 PDF文档

DM74S473AN/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM74S473J / National Semiconductor,Datasheet,06/07+,(512 x 8) 4096-Bit T 订购 PDF文档

DM74S472AN/A+ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

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