QFP (w/SMT Lands) Prototyping Adapters; Top Package Code: QFE304SA; Bottom Package Code: Panel Type P; Top Pitch (mm): 0.5; Bottom Pitch (mm): 2.54; Top Pin Count: 304; Bottom Pin Count: 304; Bottom Array Size: 2.1; Top Interface: Surface Mount Lands; Bottom Interface: Male Terminal Pins; IC Package Lead Tip to Tip (in.): 0.5; Land Pattern InsideX (in.): 1.567; Land Pattern OutsideX (in.): 1.737; Land Pattern InsideY (in.): 1.567; Land Pattern OutsideY (in.): 1.737; Adapter Size Length X Width (in.): 2.1 x 2.1; Part Description: QFP Prototyping Adapter;