16-Ball Wafer Level Chip Scale Package [WLCSP] (CB-16-10) Dimensions shown in millimeters 1.630 1.590 SQ 1.550 4 3 2 1 A BALL 1 IDENTIFIER B 1.20 REF C TOP VIEW 0.40 REF (BALL SIDE DOWN) SEATING PLANE BOTTOM VIEW (BALL SIDE UP) SIDE VIEW COPLANARITY 0.05 0.300 0.260 0.220 0.230 0.200 0.170 01-20-2011-A 0.545 0.500 0.455 D