432-Ball Ball Grid Array, Thermally Enhanced [BGA_ED] (BP-432) Dimensions shown in millimeters a A1 CORNER INDEX AREA 40.00 BSC SQ 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 A B C D E F G H J K L M N P R T U V W Y AA AB AC AD AE AF AG AH AJ AK AL BALL A1 INDICATOR TOP VIEW 38.20 38.10 SQ 38.00 BOTTOM VIEW 1.27 BSC DETAIL A DETAIL A 1.70 MAX 1.10 MAX 0.25 MIN 0.35 MAX 0.10 MIN 0.35 MIN COMPLIANT TO JEDEC STANDARDS MO-192-BAL-4 COPLANARITY 0.20 SEATING PLANE 022206-A 0.25 MIN (4 ) 0.90 0.75 0.60 BALL DIAMETER