a 64-Ball Chip Scale Package Ball Grid Array [CSP_BGA] (BC-64-1) Dimensions shown in millimeters 8.10 8.00 SQ 7.90 8 7 6 5 4 3 2 1 A BALL A1 CORNER TOP VIEW B C 5.60 BSC SQ D 0.80 BSC E F G H BOT TOM VIEW DETAIL A 1.31 1.21 1.10 DETAIL A 0.34 NOM 0.25 MIN 0.55 0.50 0.45 BALL DIAMETER SEATING PLANE COMPLIANT TO JEDEC STANDARDS MO-205-BA COPLANARITY 0.12 012006-0 1.70 1.55 1.35