贴片直插SN74LS221NG/SN74LS195AN/SN74LS193DG/SN74LS194AN/4

贴片直插SN74LS240NG/SN74LS240FN/SN74LS175MG/SN74LS221DG/4

贴片直插SN74LS221MG/SN74LS244DW/SN74LS245NG/SN74LS244HG/4

【 全新原装现货 】 SN74LS221NG4 IC DUAL MONO MULTIVIB 16-DI