84-Ball Chip Scale Package Ball Grid Array [CSP_BGA] (BC-84-2) Dimensions shown in millimeters a A1 BALL CORNER 9.10 9.00 SQ 8.90 10 9 8 7 6 5 4 3 2 A1 BALL CORNER 1 A B C 7.20 BSC SQ 6.731 REF SQ D E 0.80 BSC F G H J K 0.90 REF *1.20 1.09 1.00 BOTTOM VIEW 0.305 REF DETAIL A DETAIL A 0.36 REF 0.38 0.33 0.28 SEATING PLANE 0.53 0.48 0.43 BALL DIAMETER *COMPLIANT TO JEDEC STANDARDS MO-219 WITH EXCEPTION TO PACKAGE HEIGHT. 0.83 0.76 0.69 COPLANARITY 0.12 022708-A TOP VIEW