a 76-Ball Chip Scale Package Ball Grid Array [CSP_BGA] (BC-76-1) Dimensions shown in millimeters A1 CORNER INDEX AREA 6.10 6.00 SQ 5.90 10 9 8 7 6 5 4 3 2 1 A BALL A1 PAD CORNER TOP VIEW B C 4.50 BSC SQ D E 0.50 BSC F G H J K 0.75 REF BOTTOM VIEW DETAIL A 0.15 MIN 0.35 SEATING 0.30 PLANE 0.25 BALL DIAMETER *COMPLIANT TO JEDEC STANDARDS MO-225 WITH THE EXCEPTION TO PACKAGE HEIGHT. 0.65 MIN COPLANARITY 0.08 MAX 010807-A *1.40 MAX DETAIL A