型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

74LS27W / Raytheon Electronics,Datasheet,07+,3-Input NOR-Function 訂購(gòu) PDF文檔

74LS283FC / Various,Datasheet,07+,4-Bit Parallel Full 訂購(gòu) PDF文檔

74LS283J / Raytheon Electronics,Datasheet,07+,4-Bit Parallel Full 訂購(gòu) PDF文檔

74LS289DC / Various,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔

74LS289FC / Various,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔

74LS289PC / Various,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔

74LS28FC / Fairchild Semiconductor,Datasheet,07+,NOR-Function Buffer 訂購(gòu) PDF文檔

74LS251W / Raytheon Electronics,Datasheet,07+,8-Line Digital Multi 訂購(gòu) PDF文檔

74LS253FC / Various,Datasheet,07+,4-Line Digital Multi 訂購(gòu) PDF文檔

74LS255W / Raytheon Electronics,Datasheet,07+,4-Line Digital Demul 訂購(gòu) PDF文檔