型号 / 厂家，封装，批号，备注，订购

T74LS399M1 / Various,Datasheet,06/07+,2-Line Digital Multi 订购 PDF文档

T74LS540C1 / Various,Datasheet,07+,Inverting-Function B 订购 PDF文档

T74LS540D1 / Various,Datasheet,07+,Inverting-Function B 订购 PDF文档

T74LS55C1 / ST Microelectronics,Datasheet,07+,4-4-Input AND-OR-INV 订购 PDF文档

T74LS55M1 / ST Microelectronics,Datasheet,07+,4-4-Input AND-OR-INV 订购 PDF文档

T74LS568B1 / Various,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

T74LS568C1 / Various,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

T74LS568D1 / Various,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

T74LS569B1 / Various,Datasheet,06/07+,4-Bit Binary Up-Down 订购 PDF文档

T74LS569D1 / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档