AF9945NAF9433PMAX4621MAX232E¥40去看看宇豪正品原装店发布了新NS25640 FDS6400 MAX232E MAX4621 AF9945N AF9433PMC74HC373ADWR9248109433¥2500去看看AMSic发布了AM9433P-T1-PF ICS9248AF-135 MC74HC373ADWR SMB10J10CA-E3