型号 / 厂家，封装，批号，备注，订购

DM74LS28 / Fairchild Semiconductor,Datasheet,07+,Quad 2-Input NOR Buf 订购 PDF文档

DM74LS373N? / ,,最新批号,原装现货 订购 PDF文档

DM74LS289J / National Semiconductor,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档

DM74LS374N? / ,,最新批号,原装现货 订购 PDF文档

DM74LS295AW / National Semiconductor,Datasheet,07+,4-Bit Shift Register 订购 PDF文档

DM74LS323 / National Semiconductor,Datasheet,07+,8-Bit Universal Shif 订购 PDF文档

DM74LS323M / National Semiconductor,Datasheet,07+,8-Bit Shift Register 订购 PDF文档

DM74LS323WM / National Semiconductor,Datasheet,06/07+,8-Bit Universal Shif 订购 PDF文档

DM74LS375 / National Semiconductor,Datasheet,07+,4-Bit Latch 订购 PDF文档

DM74LS378 / National Semiconductor,Datasheet,07+,Parallel D Register 订购 PDF文档