Plastic Packages for Integrated Circuits Plastic Ball Grid Array Packages (BGA) o V256.17x17 A A1 CORNER D 256 BALL PLASTIC BALL GRID ARRAY PACKAGE A1 CORNER I.D. INCHES SYMBOL E B TOP VIEW 0.15 MC A B 0.006 0.08 C 0.003 M b A1 CORNER D1 A1 CORNER I.D. 16 15 14 13 121110 9 8 7 6 5 4 3 2 1 A B C D E F G …