全新54F194LMQB/C54F194DM-MLS

嶳楸买旗嶶冭嚩悼扠乏

54F191DM

贴插74F138PC-74F138DC-74F139DC-54F191DM-SN60979J

贴片直插54F174DM，54F191DM，54F273DM，54LS00DM，54LS20YB

贴片直插54F191LM，54F190DM，54F174LM，54F182FM，54F193FM，6

卖54F139DM 54F158 54F169/BEA 54F191DM原装

F54LS377DM F54LS244DM F54LS191DM F54H08FMQB F54F38DMQB