Probing Adapters: QFP w/ZIF Sockets; Top Package Code: QFE144SD; Bottom Package Code: QFE144SD; Top Pitch (mm): 0.5; Bottom Pitch (mm): 0.5; Top Pin Count: 144; Bottom Pin Count: 144; Top Interface: Clam-Shell ZIF; Bottom Interface: Leadless Foot; Header Spacing (mm): N/A; IC Package Lead Tip to Tip (mm): 23.2 x 23.2; Compatible Part 1: SF-QFE144SD-L-01; Part Description: QFP Probing Adaptor;