64-Ball Chip Scale Package Ball Grid Array [CSP_BGA] (BC-64-2) Dimensions shown in millimeters A1 CORNER INDEX AREA 9.10 9.00 SQ 8.90 BALL A1 INDICATOR TOP VIEW DETAIL A 10 7.20 BSC SQ 0.80 BSC 9 8 7 6 5 4 3 2 1 BOTTOM VIEW A B C D E F G H J K 0.90 REF 1.40 MAX DETAIL A 0.25 MIN 0.55 SEATING 0.50 PLANE 0.45 BALL DIAMETER COMPLIANT TO JEDEC STANDARDS MO-205-AB 0.65 MIN 0.12 MAX COPLANARITY 012006-0 a