型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

SN54/74LS42 / On Semiconductor,Datasheet,07+,ONE-OF-TEN DECODER 訂購(gòu) PDF文檔

SN54/74LS48 / On Semiconductor,Datasheet,07+,BCD TO 7-SEGMENT DEC 訂購(gòu) PDF文檔

SN54/74LS54 / On Semiconductor,Datasheet,06/07+,3-2-2-3-INPUT AND-OR 訂購(gòu) PDF文檔

SN54/74LS540 / On Semiconductor,Datasheet,06/07+,OCTAL BUFFER/LINE DR 訂購(gòu) PDF文檔

SN54/74LS541 / On Semiconductor,Datasheet,06/07+,OCTAL BUFFER/LINE DR 訂購(gòu) PDF文檔

SN54/74LS569A / On Semiconductor,Datasheet,06/07+,FOUR-BIT UP/DOWN COU 訂購(gòu) PDF文檔

SN54/74LS623 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 訂購(gòu) PDF文檔

SN54/74LS640 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 訂購(gòu) PDF文檔

SN54/74LS642 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 訂購(gòu) PDF文檔

SN54/74LS645 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 訂購(gòu) PDF文檔