16-Ball Wafer Level Chip Scale Package [WLCSP] (CB-16-1) Dimensions shown in millimeters a 0.65 0.59 0.53 SEATING PLANE 3 2 1 A 0.36 0.32 0.28 BALL 1 IDENTIFIER 2.06 2.00 SQ 1.94 4 B 0.50 BALL PITCH C D 0.11 0.09 0.07 BOTTOM VIEW (BALL SIDE UP) 022908-A TOP VIEW (BALL SIDE DOWN) 0.28 0.24 0.20