全新SN74LS161ADR2 SN74LS161ADBR SN74LS158DA16 SN74LS157DRG4

贴片直插SN74LS163AML1G，SN74LS161ADR2G，SN74LS161AML2G，4

贴片直插SN74LS163AMR1G，SN74LS161AMR1G，SN74LS163ADR2G，4

贴片直插SN74LS161AML2，SN74LS157MR1G，SN74LS161ADR2，4

贴片直插SN74LS163AMR1，SN74LS161AMR1，SN74LS163ADR2，4