Plastic Packages for Integrated Circuits Package Outline Drawing S3x3.9 3X3 ARRAY 9 BUMP OPTICAL CHIP SCALE PACKAGE (OCSP) Rev 7, 10/10 2.155 ±0.025 A1 CORNER 1.30 A 0.65 B A1 CORNER 3 2 1.30 1 A 2.155 ±0.025 B C TOP VIEW 0.30 ±0.03 5 0.15 M C A B 0.08 M C 0.65 BOTTOM VIEW 0.825 ±0.045 0.10 C 1.045 MAX SEATING PLANE C 0.16 ±0.03 0.10 C SIDE VIEW (1.30) (1.30) (0.65) NOTES: 1. Dimensions are in millimeters. Dimensions in ( ) for Reference only. 2. Dimensioning and tolerancing conform to ASME Y 14.5M-1994 3. Primary datum C and seating plane are defined by the spherical crowns of the contact balls. (0.30) (0.65) TYPICAL RECOMMENDED LAND PATTERN 1 4. Pin "A1" is marked on the top and bottom side adjacent to the A1 ball. 5. Dimension is measured at the maximum ball diameter.