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新SN74HC377 DM74S251N SN74HC08N SN74HC00N R
正品DM74L00J DM74HC02 DM74H52N DM74H50N DM74H21N
正品DM74H00N DM74F86M DM74F841 DM74F74M DM74F541
贴插BZX84B8V2-TS3L100PW-DM741123N-SN74HC00A-B
贴插DM74LS191N-DM74LS323N-HM00-96553-DM74LS266N-B
贴插TS272AMN-HD75451P-TLC071IP-DM74H00N-DM74H08N-B
贴片直插DM74164N,DM74H00N,DM74S00N,DM74S02J,DM74S40J