Probing Adapters: QFP w/SMT Lands; Top Package Code: Bottom Package Code: QFE144SC; Top Pitch (mm): 0.5; Bottom Pitch (mm): 0.5; Top Pin Count: 144; Bottom Pin Count: 144; Top Interface: Surface Mount Lands; Bottom Interface: Gull Wing SMT Foot; Header Spacing (mm): 2.54; IC Package Lead Tip to Tip (mm): 22 x 22; Compatible Part 1: SF-QFE144SC-G-01; Part Description: QFP Probing Adaptor;