型號 / 廠家，封裝，批號，備注，訂購

DM74LS175CW / Fairchild Semiconductor,Datasheet,06/07+,Quad D Flip-Flop wit 訂購 PDF文檔

DM74LS190 / National Semiconductor,Datasheet,07+,Synchronous BCD Up/D 訂購 PDF文檔

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

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

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

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

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

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

DM74LS251N? / ,,最新批號,原裝現貨 訂購 PDF文檔

DM74LS253N? / ,,最新批號,原裝現貨 訂購 PDF文檔