贴插5420J(DMQB)-MM74HCT573N-47C241NFE54-DM74ALS163N

SN74LS193N SN74ALS32N SN74ALS27N SN74LS241N DM74LS123N

贴片直插DM74ALS273N，DM74LS241DC，DM74LS367AN，DME3946-103

DM74ALS251N DM74ALS251M DM74ALS244N DM74ALS241N DM74ALS21AN

SN74ALS241 244 564 573 574 576 533CN 540N 240A-1N 245 541BN

DM74ALS244AN 245AN 373N 74LS240N 241N 244N 245N 374N DIP20