型號 / 廠家，封裝，批號，備注，訂購

SN54/74LS197 / On Semiconductor,Datasheet,06/07+,4-STAGE PRESETTABLE 訂購 PDF文檔

SN54/74LS21 / On Semiconductor,Datasheet,06/07+,DUAL 4-INPUT AND GAT 訂購 PDF文檔

SN54/74LS22 / On Semiconductor,Datasheet,07+,DUAL 4-INPUT NAND GA 訂購 PDF文檔

SN54/74LS221 / On Semiconductor,Datasheet,06/07+,DUAL MONOSTABLE MULT 訂購 PDF文檔

SN54/74LS240 / On Semiconductor,Datasheet,06/07+,OCTAL BUFFER/LINE DR 訂購 PDF文檔

SN54/74LS241 / On Semiconductor,Datasheet,07+,OCTAL BUFFER/LINE DR 訂購 PDF文檔

SN54/74LS242 / On Semiconductor,Datasheet,07+,QUAD BUS TRANSCEIVER 訂購 PDF文檔

SN54/74LS247 / On Semiconductor,Datasheet,06/07+,BCD-TO-SEVEN-SEGMENT 訂購 PDF文檔

SN54/74LS251 / On Semiconductor,Datasheet,06/07+,8-INPUT MULTIPLEXER 訂購 PDF文檔

SN54/74LS256 / On Semiconductor,Datasheet,06/07+,DUAL 4-BIT ADDRESSAB 訂購 PDF文檔