型号 / 厂家，封装，批号，备注，订购

HD74LS55G / Hitachi Semiconductor,Datasheet,07+,4-4-Input AND-OR-INV 订购 PDF文档

HD74LS640-1P / ren,,09+/pb,★深圳香港均可交货★ 订购 PDF文档

HD74LS373G / Hitachi Semiconductor,Datasheet,07+,Octal D-Type Latch - 订购 PDF文档

HD74LS641-1 / Hitachi Semiconductor,Datasheet,06/07+,Octal Bus Transceive 订购 PDF文档

HD74LS645-1 / Hitachi Semiconductor,Datasheet,06/07+,Octal Bus Transceive 订购 PDF文档

HD74LS668G / Hitachi Semiconductor,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

HD74LS670FP / ren,,09+/pb,★深圳香港均可交货★ 订购 PDF文档

HD74LS374G / Hitachi Semiconductor,Datasheet,07+,Octal D-Type Flip-Fl 订购 PDF文档

HD74LS386A / Hitachi Semiconductor,Datasheet,06/07+,Hex Bus Drivers 订购 PDF文档

HD74LS670G / Hitachi Semiconductor,Datasheet,07+,Register File (Stati 订购 PDF文档