型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74S288A / National Semiconductor,Datasheet,06/07+,1K x 8 TTL PROM Memo 訂購(gòu) PDF文檔

DM74S288AJ/A+ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S288AV? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74S270N / National Semiconductor,Datasheet,07+,General Purpose 訂購(gòu) PDF文檔

DM-74S283N / ,,最新批號(hào),現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔

DM74S288J/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S287A / National Semiconductor,Datasheet,06/07+,256 x 4 TTL PROM Mem 訂購(gòu) PDF文檔

DM74S287AN/A+ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S288N/A+ / National Semiconductor,Datasheet,06/07+,Fuse-Programmable PR 訂購(gòu) PDF文檔

DM74S289W / National Semiconductor,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔