144-Ball Chip Scale Package Ball Grid Array [CSPBGA] (BC-144-6) Dimensions shown in millimeters A B C D E F G H J K L M 8.80 BSC SQ 0.80 BSC TOP VIEW 1.40 1.34 1.19 DETAIL A A1 BALL CORNER 12 11 10 9 8 7 6 5 4 3 2 1 0.60 REF 0.33 NOM 0.28 MIN SEATING PLANE BOTTOM VIEW DETAIL A *0.50 0.45 0.40 BALL DIAMETER *COMPLIANT WITH JEDEC STANDARDS MO-275-EEAA-1 WITH THE EXCEPTION TO BALL DIAMETER. 1.11 1.01 0.91 COPLANARITY 0.12 11-18-2011-A A1 BALL CORNER 10.10 10.00 SQ 9.90