全新HD74S00 HD74F00 HD7496P HD7493A HD7490A

全新HD74AC08 HD74AC00 HD7495AP HD7493AP HD7492AP

贴插DG417DR-L4733TA-LS141CB-HD7493A-H11AV3T-TLP636F-N

贴片直插HD74293，HD7442A，HD7493A，HD74S86，HD75189，HDB101G

HD7494P HD7493P HD7493A HD7492P HD7491P HD7495P HD7497P

HD74AC00 HD74990P HD7495AP HD7493AP HD7492AP HD74AC08销