贴插MAX776CSA-T-CS42518-CQZ-DM74AS651WM-CS42516-CQZ-B

贴片直插DM74ALS251N，DM74ALS520N，DM74AS651WM，DM74LS14SJX

DM74AS651WM【IC TXRX NON-INVERT 5.5V 24SOP】

DM74AS804BJ DM74AS65INT DM74AS652NT DM74AS651WM DM74AS651NT