Plastic Packages for Integrated Circuits Package Outline Drawing W5x5.25B 5X5 ARRAY 25 BALL WITH 0.40 PITCH WAFER LEVEL CHIP SCALE PACKAGE (WLCSP) Rev 2, 12/11 X Y 1.60 2.11±0.03 25x 0.225±0.03 E D 0.40 2.13±0.03 1.60 C B 0.265 A 0.10 PIN 1 (A1 CORNER) (4X) TOP VIEW 1 2 3 4 0.254 5 0.40 BOTTOM VIEW 0.25 PACKAGE OUTLINE 0.305±0.025 0.225 0.55 MAX 0.40 Z SEATING PLANE 0.19±0.03 3 0.25±0.03 NSMD TYPICAL RECOMMENDED LAND PATTERN 0.10 0.05 ZXY Z 0.05 Z SIDE VIEW NOTES: 1. All dimensions are in millimeters. 2. Dimension 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 Tech Brief TB451 located at: http://www.intersil.com/data/tb/tb451.pdf. 1