新SN74HC74AD SN74LS161N SN74F244NS SN74ALS38N R

贴片直插SN74LS244NS SN74LS174DR SN74HC166DR SN74LS161AN 5

原装SN74ALS161BNS SN74ALS640BNS SN74LS04NS SN74ABT240DB

原LM358N SN74HC161NS TEA1093T/C3 HD74LS04FPER

贴片直插SN74LS74ADR/SN74LS547NS/SN74LS161AN/SN74LS194AN/4

贴片直插SN74LS161AN/SN74LS158NS/SN74LS156NG/SN74LS157NS/4

贴片直插SN74LS74ANS/SN74LS161AN/SN74LS245NS/SN74LS32MR1/4

正品原装贴片逻辑IC芯片