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型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)
74LS541PC / Various,Datasheet,07+,Non-Inverting-Functi 訂購(gòu) PDF文檔
74LS55DC / Various,Datasheet,07+,4-4-Input AND-OR-INV 訂購(gòu) PDF文檔
74LS55SC / NSC,原廠原裝,08+07+,7到10天國(guó)際現(xiàn)貨 訂購(gòu) PDF文檔
74LS55W / Raytheon Electronics,Datasheet,07+,4-4-Input AND-OR-INV 訂購(gòu) PDF文檔
74LS568PC / Fairchild Semiconductor,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔
74LS569PC / Fairchild Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔
74LS574DC / Various,Datasheet,07+,Octal D-Type Flip-Fl 訂購(gòu) PDF文檔
74LS574SCX / NSC,原廠原裝,08+07+,7到10天國(guó)際現(xiàn)貨 訂購(gòu) PDF文檔
74LS585DC / NSC,原廠原裝,08+07+,7到10天國(guó)際現(xiàn)貨 訂購(gòu) PDF文檔