型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

SN74LS251ML1 / On Semiconductor,Datasheet,06/07+,8-Input Multiplexer 訂購(gòu) PDF文檔

SN74LS251N- / ,,最新批號(hào),現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔

SN74LS256NS / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

SN74LS253-D / On Semiconductor,Datasheet,06/07+,Dual 4-Input Multipl 訂購(gòu) PDF文檔

SN74LS257B-D / On Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔

SN74LS257BFN / Texas Instruments,Datasheet,06/07+,2-Line Digital Multi 訂購(gòu) PDF文檔

SN74LS253ML1 / On Semiconductor,Datasheet,07+,Dual 4-Input Multipl 訂購(gòu) PDF文檔

SN74LS257BML2 / On Semiconductor,Datasheet,06/07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔

SN74LS257BMR2 / On Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔

SN74LS258BFN / Texas Instruments,Datasheet,07+,2-Line Digital Multi 訂購(gòu) PDF文檔