a 160-Ball Chip Scale Package Ball Grid Array [CSP_BGA] (BC-160-2) Dimensions shown in millimeters A1 CORNER INDEX AREA 12.10 12.00 SQ 11.90 14 13 12 11 10 9 8 7 6 5 4 3 BALL A1 INDICATOR 10.40 BSC SQ TOP VIEW BOTTOM VIEW 2 1 A B C D E F G H J K L M N P 0.80 BSC DETAIL A 1.31 1.21 1.11 DETAIL A 0.40 NOM 0.25 MIN 0.55 0.50 0.45 BALL DIAMETER SEATING PLANE COMPLIANT TO JEDEC STANDARDS MO-205-AE. 0.12 MAX COPLANARITY 012006-0 1.70 1.60 1.35