225-Ball Plastic Ball Grid Array [PBGA] (B-225-2) Dimensions shown in millimeters a A1 CORNER INDEX AREA 23.00 BSC SQ 1514 1312 11 10 9 8 7 6 5 4 3 2 1 BALL A1 INDICATOR TOP VIEW 20.10 20.00 SQ 19.90 A B C D E F G H J K L M N P R 17.78 BSC SQ 1.27 BSC BOTTOM VIEW DETAIL A 2.70 MAX NOTES: 1. COMPLIANT TO JEDEC STANDARDS MS-034-AAJ-2 2. THE BASIC SOLDER BALL MATRIX SIZE IS 13.00 mm. 3. SUBSTRATE MATERIAL BASE IS BT RESIN. 0.70 0.60 0.50 SEATING PLANE DETAIL A 0.90 0.75 0.60 BALL DIAMETER 1.30 1.20 1.10 0.15 MAX COPLANARITY