型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74LS192 / National Semiconductor,Datasheet,07+,54LS192/DM74LS192 Up 訂購(gòu) PDF文檔

DM74LS193CW / Fairchild Semiconductor,Datasheet,06/07+,Synchronous 4-Bit Up 訂購(gòu) PDF文檔

DM74LS245CW / Fairchild Semiconductor,Datasheet,07+,Octal 3-STATE Bus Tr 訂購(gòu) PDF文檔

DM74LS194AJ / National Semiconductor,Datasheet,06/07+,4-Bit Shift Register 訂購(gòu) PDF文檔

DM74LS194AW / National Semiconductor,Datasheet,07+,4-Bit Shift Register 訂購(gòu) PDF文檔

DM74LS248 / National Semiconductor,Datasheet,06/07+,BCD to 7-Segment Dec 訂購(gòu) PDF文檔

DM74LS251N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS253N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS257A / MAT,DIPT,08/09+,正品原裝貨 訂購(gòu) PDF文檔

DM74LS257BCW / Fairchild Semiconductor,Datasheet,07+,3-STATE Quad 2-Data 訂購(gòu) PDF文檔