全新SN74LS399N正品IC MULTIPLEXER 4 X 2:1 16DIP

全新原装SN74LS399N 封装DIP-16 信号开关芯片

SN74LS399NSR/SN74LVC573ANS/SN74LVCZ245APWR

逻辑芯片SN74LS399NSR SN74LS399 sn74ls399nsr SOP-16

贴片直插SN74S189AN SN74S139AN SN74LS399N SN74LS682N 5

SN74LS423N/SN74LS399NSR/SN74LS423DR

全新正品SN74LS393NSR|SN74LS399N|SN74LS423D