LGA Package 204-Lead (22mm × 15mm × 4.41mm) (Reference LTC DWG # 05-08-1841 Rev B) SEE NOTES 7 A aaa Z M L K J H G F E D C B A 1 PAD “A1” CORNER 2 4 3 4 b 5 6 7 8 D F MOLD CAP 9 SUBSTRATE 10 11 H1 H2 Z // bbb Z 12 13 14 DETAIL B 15 16 e 17 X Y aaa Z E DETAIL B PACKAGE TOP VIEW e b PADS SEE NOTES G 3 PACKAGE BOTTOM VIEW NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994 eee S X Y 6.9850 5.7150 4.4450 3.1750 1.9050 0.6350 0.0000 0.6350 1.9050 3.1750 4.4450 5.7150 6.9850 0.635 ±0.025 SQ. 204x 2. ALL DIMENSIONS ARE IN MILLIMETERS 10.1600 8.8900 7.6200 3 LAND DESIGNATION PER JESD MO-222, SPP-010 4 DETAILS OF PAD #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE PAD #1 IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE DETAIL A 6.3500 5. PRIMARY DATUM -Z- IS SEATING PLANE 5.0800 DIMENSIONS 3.8100 SYMBOL A b D E e F G H1 H2 aaa bbb eee 2.5400 1.2700 0.0000 1.2700 2.5400 3.8100 5.0800 6.3500 7.6200 MIN 4.31 0.60 0.36 3.95 NOM 4.41 0.63 22.0 15.0 1.27 20.32 13.97 0.41 4.00 6. THE TOTAL NUMBER OF PADS: 114 MAX 4.51 0.66 0.46 4.05 0.15 0.10 0.05 NOTES 7 ! PACKAGE ROW AND COLUMN LABELING MAY VARY AMONG µModule PRODUCTS. REVIEW EACH PACKAGE LAYOUT CAREFULLY LTMXXXXXX µModule COMPONENT PIN “A1” TOTAL NUMBER OF LGA PADS: 204 8.8900 TRAY PIN 1 BEVEL 10.1600 PACKAGE IN TRAY LOADING ORIENTATION LGA 204 0113 REV B SUGGESTED PCB LAYOUT TOP VIEW Ø(0.635) PAD 1