型号 / 厂家，封装，批号，备注，订购

SN74LS479N / Texas Instruments,Datasheet,06/07+,Fuse-Programmable PR 订购 PDF文档

SN74LS540N (PB FREE) / ,,,原装现货 订购 PDF文档

SN74LS47-D / On Semiconductor,Datasheet,06/07+,BCD to 7-Segment Dec 订购 PDF文档

SN74LS541-D / On Semiconductor,Datasheet,06/07+,Octal Buffer-Line Dr 订购 PDF文档

SN74LS481J / Texas Instruments,Datasheet,06/07+,Microprocessor Slice 订购 PDF文档

SN74LS491A / Monolithic Memories,Datasheet,06/07+,LSI Data Book 1986 订购 PDF文档

SN74LS51ANS / ,,最新批号,原装现货 订购 PDF文档

SN74LS541FN / Texas Instruments,Datasheet,06/07+,Non-Inverting-Functi 订购 PDF文档

SN74LS546 / Monolithic Memories,Datasheet,06/07+,LSI Data Book 1986 订购 PDF文档

SN74LS548 / Monolithic Memories,Datasheet,06/07+,LSI Data Book 1986 订购 PDF文档