型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74S473 / National Semiconductor,Datasheet,06/07+,512 x 8 TTL PROM Mem 訂購(gòu) PDF文檔

DM74S473AJ/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S473J/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S473V / National Semiconductor,Datasheet,07+,(512 x 8) 4096-Bit T 訂購(gòu) PDF文檔

DM74S474AJ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S474AV / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S474BV / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S475V / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S570 / Signetics,Datasheet,06/07+,Bipolar Memory IC Da 訂購(gòu) PDF文檔

DM74S570AJ/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔