型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

SN74AS253A / Texas Instruments,Datasheet,07+,DUAL 1-OF-4 DATA SEL 訂購(gòu) PDF文檔

SN74AS257AD / Texas Instruments,Datasheet,06/07+,2-Line Digital Multi 訂購(gòu) PDF文檔

SN74AS257AN / Texas Instruments,Datasheet,07+,2-Line Digital Multi 訂購(gòu) PDF文檔

SN-74AS257N / ,,最新批號(hào),現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔

SN74AS258AD / Texas Instruments,Datasheet,06/07+,2-Line Digital Multi 訂購(gòu) PDF文檔

SN74AS258AN / Texas Instruments,Datasheet,06/07+,2-Line Digital Multi 訂購(gòu) PDF文檔

SN74AS2620DW / Texas Instruments,Datasheet,06/07+,Octal Bus-Line Trans 訂購(gòu) PDF文檔

SN74AS264 / Texas Instruments,Datasheet,07+,Look-Ahead Carry Gen 訂購(gòu) PDF文檔

SN74AS2640 / Texas Instruments,Datasheet,07+,(SN74AS2645) Octal B 訂購(gòu) PDF文檔

SN74AS2640DW / Texas Instruments,Datasheet,06/07+,Octal Bus-Line Trans 訂購(gòu) PDF文檔