型號(hào) / 廠家，封裝，批號(hào)，備注，訂購

HD74LS490 / Hitachi Semiconductor,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

HD74LS490G / Hitachi Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 訂購 PDF文檔

HD74LS490P(DIP) / Hitachi Semiconductor,Datasheet,06/07+,BCD-to-Seven Segment 訂購 PDF文檔

HD74LS49FP(SMD) / Hitachi Semiconductor,Datasheet,07+,BCD-to-Seven Segment 訂購 PDF文檔

HD74LS368AG / Hitachi Semiconductor,Datasheet,07+,Inverting-Function B 訂購 PDF文檔

HD74LS51G / Hitachi Semiconductor,Datasheet,06/07+,2-2-3-3-Input AND-OR 訂購 PDF文檔

HD74LS54FP / ren,,09+/pb,★深圳香港均可交貨★ 訂購 PDF文檔

HD74LS55G / Hitachi Semiconductor,Datasheet,07+,4-4-Input AND-OR-INV 訂購 PDF文檔

HD74LS640-1P / ren,,09+/pb,★深圳香港均可交貨★ 訂購 PDF文檔

HD74LS373G / Hitachi Semiconductor,Datasheet,07+,Octal D-Type Latch - 訂購 PDF文檔