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SN74LS377N 574/640/641/642/645/682/688/222 HD74LS299P DIP20
SN74LS35/640128HD99PI
拍前联系价格另议CY7C63813-SXC U642B HD74LS148P 元器件配单
SN74LS377N574/640/641/642/645
贴插INT301P-SN7470N-CF72416-DS8870N-74LS642-HD7403P
HD74LS642P HIT 74LS642【原装】赛格市场G332室实体店 现货