型號(hào) / 廠(chǎng)家，封裝，批號(hào)，備注，訂購(gòu)

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SN74HC244-EP / Texas Instruments,Datasheet,06/07+,OCTAL BUFFERS AND LI 訂購(gòu) PDF文檔

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SN74HC245NSLE / Texas Instruments,Datasheet,06/07+,Octal Bus-Line Trans 訂購(gòu) PDF文檔

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SN74HC251J / TI,DIP,N/A,上?，F(xiàn)貨庫(kù)存，歡迎查詢(xún) 訂購(gòu) PDF文檔

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SN74HC253-Q1 / Texas Instruments,Datasheet,07+,Automotive Catalog D 訂購(gòu) PDF文檔