Plastic Packages for Integrated Circuits Package Outline Drawing W11x11.121B 121 BALL WAFER LEVEL CHIP SCALE PACKAGE (WLCSP 0.5mm pitch) Rev 0, 2/14 5.526±0.030 X 0.500 Y 121x 0.320±0.030 L K J H G 5.540±0.030 F E D C B 0.270 A (4X) 1 0.10 2 3 4 5 6 7 8 9 10 11 0.263 0.500 PIN 1 TOP VIEW BOTTOM VIEW Z SEATING PLANE 0.05 Z PACKAGE OUTLINE 0.330 0.500 0.320±0.030 121x 0.10 M Z X Y 0.05 M Z 0.280 0.240±0.030 0.600±0.060 3 NSMD TYPICAL RECOMMENDED LAND PATTERN NOTES: 1. All dimensions are in millimeters. 2. Dimensions and tolerance per ASMEY 14.5M - 1994 and JESD 95-1, SPP-010. 3. NSMD refers to non-solder mask defined pad design per Intersil Techbrief TB451. 1 SIDE VIEW