Probing Adapters: QFP w/ZIF Sockets; Top Package Code: QFJ84SA; Bottom Package Code: QFJ84SA; Top Pitch (mm): 0.635; Bottom Pitch (mm): 0.635; Top Pin Count: 84; Bottom Pin Count: 84; Top Interface: Clam-Shell ZIF; Bottom Interface: Leadless Foot; Header Spacing (mm): 2.54; IC Package Lead Tip to Tip (mm): 0.78 x 0.78; Compatible Part 1: SF-QFJ84SA-L-01; Part Description: QFP Probing Adaptor;