型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

NMC6551 / National Semiconductor,Datasheet,06/07+,1024-Bit (256 x 4) S 訂購(gòu) PDF文檔

NMC6551BJ2 / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC6551J / National Semiconductor,Datasheet,06/07+,1024-Bit (256 x 4) S 訂購(gòu) PDF文檔

NMC6551N5 / National Semiconductor,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC6551N9 / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC6552BJ9 / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC6552BN9 / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC6552J2 / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC6552N9 / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 訂購(gòu) PDF文檔

NMC87C257Q200 / National Semiconductor,Datasheet,07+,UV-Erasable PROM (EP 訂購(gòu) PDF文檔