型号 / 厂家，封装，批号，备注，订购

HD74LS249FP / Hitachi Semiconductor,Datasheet,07+,Decoder/Demultiplexe 订购 PDF文档

HD74LS249G / Hitachi Semiconductor,Datasheet,07+,7-Segment Display Dr 订购 PDF文档

HD74LS259G / Hitachi Semiconductor,Datasheet,07+,Octal D-Type Address 订购 PDF文档

HD74LS266FP / Renesas Technology,Datasheet,07+,Quad. 2-input Exclus 订购 PDF文档

HD74LS266G / Hitachi Semiconductor,Datasheet,07+,2-Input Exclusive-NO 订购 PDF文档

HD74LS26G / Hitachi Semiconductor,Datasheet,07+,NAND-Function Buffer 订购 PDF文档

HD74LS279G / Hitachi Semiconductor,Datasheet,07+,Quadruple R-S-Type L 订购 PDF文档

HD74LS283G / Hitachi Semiconductor,Datasheet,07+,4-Bit Parallel Full 订购 PDF文档

HD74LS293FP / Renesas Technology,Datasheet,06/07+,4-bit Binary 订购 PDF文档

HD74LS293G / Hitachi Semiconductor,Datasheet,07+,4-Bit Binary Up Coun 订购 PDF文档