全新74HC4538D-T 74HC4538AFT 74HC4538AFS 74HC4538AFN 74HC4538

焎弣攸勪嫲壽汄炱揂侟

娽懪忢檙掴冂灾焇曟剰

贴片直插TC74HCT273AFW，TC74HC4538AFN，TC74HCT157AFN，4

贴片直插TC74HCT138AFN，TC74HC4066AFN，TC74HC4538AFT，4