144-Ball Chip Scale Package Ball Grid Array [CSP_BGA] (BC-144-1) Dimensions shown in millimeters A1 CORNER INDEX AREA 10.10 10.00 9.90 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H J K L M BALL A1 INDICATOR TOP VIEW DETAIL A 8.80 BSC SQ 0.80 BSC 1.40 MAX BOTTOM VIEW DETAIL A 1.00 0.85 0.43 MAX 0.25 MIN 0.55 0.50 0.45 BALL DIAMETER COMPLIANT WITH JEDEC STANDARDS MO-205-AC. SEATING PLANE COPLANARITY 0.12 MAX 012006-0 a