IC快速检索：
型号 / 厂家，封装，批号，备注，订购
HD74LS48P-E-Q / REN,DIP,08/09+,正品原装货 订购 PDF文档
HD74LS490 / Hitachi Semiconductor,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档
HD74LS490G / Hitachi Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档
HD74LS490P(DIP) / Hitachi Semiconductor,Datasheet,06/07+,BCD-to-Seven Segment 订购 PDF文档
HD74LS49FP(SMD) / Hitachi Semiconductor,Datasheet,07+,BCD-to-Seven Segment 订购 PDF文档
HD74LS368AG / Hitachi Semiconductor,Datasheet,07+,Inverting-Function B 订购 PDF文档
HD74LS51G / Hitachi Semiconductor,Datasheet,06/07+,2-2-3-3-Input AND-OR 订购 PDF文档
HD74LS54FP / ren,,09+/pb,★深圳香港均可交货★ 订购 PDF文档
HD74LS55G / Hitachi Semiconductor,Datasheet,07+,4-4-Input AND-OR-INV 订购 PDF文档