型号 / 厂家，封装，批号，备注，订购

DM87S421 / National Semiconductor,Datasheet,06/07+,4K x 8 TTL PROM Memo 订购 PDF文档

DM87S421A / National Semiconductor,Datasheet,07+,4K x 8 TTL PROM Memo 订购 PDF文档

DM87S421AJ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM87S421AN / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM87SR181 / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM87SR183BJ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM87SR183BN / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 订购 PDF文档

DM87SR183J / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM87SR183V / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

DM87SR193 / WSI Corporation,Datasheet,06/07+,PROM/RPROM Cross Ref 订购 PDF文档