型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

M74HC257C1R / ST Microelectronics,Datasheet,06/07+,HC258QUAD 2CHANNEL M 訂購(gòu) PDF文檔

M74HC257DP / Various,Datasheet,07+,2-Line Digital Multi 訂購(gòu) PDF文檔

M74HC257F1R / ST Microelectronics,Datasheet,06/07+,HC258QUAD 2CHANNEL M 訂購(gòu) PDF文檔

M74HC251RM13 / ,,,原裝現(xiàn)貨 訂購(gòu) PDF文檔

M74HC251TTR / ST Microelectronics,Datasheet,06/07+,8 BIT SIPO SHIFT REG 訂購(gòu) PDF文檔

M74HC257FP / Various,Datasheet,07+,2-Line Digital Multi 訂購(gòu) PDF文檔

M74HC253DP / Various,Datasheet,07+,4-Line Digital Multi 訂購(gòu) PDF文檔

M74HC253F1 / Various,Datasheet,07+,4-Line Digital Multi 訂購(gòu) PDF文檔

M74HC257P / Various,Datasheet,06/07+,2-Line Digital Multi 訂購(gòu) PDF文檔

M74HC257TTR / ST Microelectronics,Datasheet,06/07+,QUAD 2 CHANNEL MULTI 訂購(gòu) PDF文檔