型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

MM74HC623 / National Semiconductor,Datasheet,06/07+,Octal TRI-STATE Tran 訂購(gòu) PDF文檔

MM74HC640J / National Semiconductor,Datasheet,06/07+,Inverting Octal TRI- 訂購(gòu) PDF文檔

MM74HC597MX_NL / Fairchild Semiconductor,Datasheet,06/07+,8-Bit Shift Register 訂購(gòu) PDF文檔

MM74HC646 / National Semiconductor,Datasheet,06/07+,Octal Bus-Line Trans 訂購(gòu) PDF文檔

MM74HC643J / National Semiconductor,Datasheet,07+,Octal Bus-Line Trans 訂購(gòu) PDF文檔

MM74HC6555M / FSC,SOP-16,06+,0755-83980010 訂購(gòu) PDF文檔

MM74HC648 / National Semiconductor,Datasheet,07+, 訂購(gòu) PDF文檔

MM74HC688 / National Semiconductor,Datasheet,06/07+,8-Bit Magnitude Comp 訂購(gòu) PDF文檔

MM74HC688N/MC74HT521N / ,DIP20,94+,原裝 訂購(gòu) PDF文檔

MM74HC688CW / Fairchild Semiconductor,Datasheet,07+,8-Bit Magnitude Comp 訂購(gòu) PDF文檔