74LS299DWR2原装74LS30DR274LS27N￥60去看看永恒电子元器件发布了原装74LS27N 74LS299DWR2 74LS30D 74LS30DR2SN74LS299DWR2REGISTERSINGLESHIFT￥2.10去看看欧越半导体a发布了SN74LS299DWR2【SHIFT REGISTER SINGLE】SN74LS299DWR2REGISTER全新SINGLE￥2.40去看看见路电子商城发布了SN74LS299DWR2 -[全新SHIFT REGISTER SINGLE]
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