GHz BGA Sockets-1.27mm; IC Size X (mm): 35; IC Size Y (mm): 35; IC Array X: 27; IC Array Y: 27; Max Pincount: 729; Top Pitch (mm): 1.27; IC Ball Coplanarity (mm): 0.2; IC Ball Diameter Max (mm): 0.9; IC Ball Height Max (mm): 0.55; IC Ball Height Min (mm): 0.35; IC Size Tolerance (mm): 0.2; IC Total Height Max (mm): 3.5; Max Package Code: BGA729A; Backing Plate: yes; Cavity Down: no; Heat Sink: no; IC Top Surface: Flat; Socket Lid: Swivel; Part Description: GHz BGA Socket (ZIF)-HD