SN74LS01DR2SN74LS01NSRSN74LS02DR2SN74LS02NDS¥20去看看电子元件88888发布了全新SN74LS02NDS SN74LS02DR2 SN74LS01NSR SN74LS01DR2 SN74LS00SN74LVC2G14DCKR正品SN74LS01NSRSN74LS04DR¥30去看看永恒电子元器件发布了原装正品SN74LVC2G14DCKR SN75107BDR SN74LS04DR SN74LS01NSR