全新SN74LS193NS SN74LS193DR SN74LS193AJ SN74LS191NS SN74LS19

全新SN74LS19ANSRG4 SN74LS191NSRG4 SN74LS164NSRG4 SN74LS151NS

贴插9250BF-27-AA107-310-74LS191NS-91MT160KB

貼插74LS374SJ，74LS373NA，74LS191NS，74LS253DR，74LS533PC，6

貼插74LS151DR 74LS125AD 74LS109AN 74LS10MRI 74LS191NS 6