QFP芯片三维视图PCB封装库CAD Cadence AD库（Step后缀3D模型库）： LQFP-100.PNG LQFP-100.STEP LQFP-64.PNG LQFP-64.STEP LQFP20X20-144.PNG LQFP20X20-144.STEP LQFP7X7-48.PNG LQFP7X7-48.STEP PQFP-44.PNG PQFP-44.STEP PQFP-64.PNG PQFP-64.STEP SQFP10X10-64N.PNG SQFP10X10-64N.STEP SQFP24X24-176.PNG SQFP24X24-176.STEP TQFP-44.PNG TQFP-44.STEP TQFP-64.PNG TQFP-64.STEP TQFP-9X9-32.PNG TQFP-9X9-32.STEP