型號 / 廠家，封裝，批號，備注，訂購

DM74LS468WM / National Semiconductor,Datasheet,06/07+,TRI-STATE Octal Buff 訂購 PDF文檔

DM74LS469 / Fairchild Semiconductor,Datasheet,07+,8-Bit Up/Down e 訂購 PDF文檔

DM74LS469A / National Semiconductor,Datasheet,07+,8-Bit Up/Down e 訂購 PDF文檔

DM74LS469AJ / National Semiconductor,Datasheet,07+,8-Bit Up/Down e 訂購 PDF文檔

DM74LS469AN / National Semiconductor,Datasheet,07+,8-Bit Up/Down e 訂購 PDF文檔

DM74LS471J/A+ / National Semiconductor,Datasheet,07+,Fuse-Programmable PR 訂購 PDF文檔

DM74LS490 / National Semiconductor,Datasheet,06/07+,Dual Decade 訂購 PDF文檔

DM74LS490M / National Semiconductor,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

DM74LS490N / National Semiconductor,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

DM74LS491 / National Semiconductor,Datasheet,06/07+, 訂購 PDF文檔