型号 / 厂家，封装，批号，备注，订购

SN54/74LS20 / On Semiconductor,Datasheet,06/07+,DUAL 4-INPUT NAND GA 订购 PDF文档

SN54/74LS243 / On Semiconductor,Datasheet,06/07+,QUAD BUS TRANSCEIVER 订购 PDF文档

SN54/74LS244 / On Semiconductor,Datasheet,07+,OCTAL BUFFER/LINE DR 订购 PDF文档

SN54/74LS245 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

SN54/74LS248 / On Semiconductor,Datasheet,07+,BCD-TO-SEVEN-SEGMENT 订购 PDF文档

SN54/74LS249 / On Semiconductor,Datasheet,07+,BCD-TO-SEVEN-SEGMENT 订购 PDF文档

SN54/74LS253 / On Semiconductor,Datasheet,07+,DUAL 4-INPUT MULTIPL 订购 PDF文档

SN54/74LS257B / On Semiconductor,Datasheet,06/07+,QUAD 2-INPUT MULTIPL 订购 PDF文档

SN54/74LS259 / On Semiconductor,Datasheet,07+,8-BIT ADDRESSABLE LA 订购 PDF文档

SN54/74LS26 / On Semiconductor,Datasheet,06/07+,QUAD 2-INPUT NAND BU 订购 PDF文档