型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

74ACT257DMQB / National Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔

74ACT257LCQR / National Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔

74ACT257LMQB / National Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔

74ACT253SCX_NL / Fairchild Semiconductor,Datasheet,07+,Dual 4-Input Multipl 訂購(gòu) PDF文檔

74ACT257PC_F091 / FSC,,07+,全新原裝熱賣 訂購(gòu) PDF文檔

74ACT257SC. / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

74ACT257SC_NL / FSC,,07+,全新原裝熱賣 訂購(gòu) PDF文檔

74ACT257ADR / TI,SOP,09/10+,100％原裝現(xiàn)貨，熱賣特價(jià)??！ 訂購(gòu) PDF文檔

74ACT257FC / Various,Datasheet,07+,2-Line Digital Multi 訂購(gòu) PDF文檔

74ACT257FCQR / National Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購(gòu) PDF文檔