SN74HCT245NSRIRFH5302TRPBF29300010¥2500去看看AMSic发布了AT17N010-10PC IRFH5302TRPBF MIC29300-12BU SN74HCT245NSRSN74HCT245PWRSN74HCT74DRSN74HCT32DRSN74LS02N¥2800去看看RF高频器件代理商发布了SN74HCT245PWR SN74HCT32DR SN74HCT74DR SN74LS00N SN74LS02N