LGA Package 204-Lead (22mm × 15mm × 2.91mm) (Reference LTC DWG # 05-08-1822 Rev C) 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 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 0.630 ±0.025 SQ. 204x e b PADS SEE NOTES 2. ALL DIMENSIONS ARE IN MILLIMETERS 10.1600 3 LAND DESIGNATION PER JESD MO-222, SPP-010 8.8900 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 7.6200 DETAIL A 6.3500 5. PRIMARY DATUM -Z- IS SEATING PLANE 5.0800 6. THE TOTAL NUMBER OF PADS: 204 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 2.81 0.60 0.36 2.45 NOM 2.91 0.63 22.0 15.0 1.27 20.32 13.97 0.41 2.50 MAX 3.01 0.66 0.46 2.55 0.15 0.10 0.05 TOTAL NUMBER OF LGA PADS: 204 8.8900 NOTES 7 ! PACKAGE ROW AND COLUMN LABELING MAY VARY AMONG µModule PRODUCTS. REVIEW EACH PACKAGE LAYOUT CAREFULLY LTMXXXXXX µModule COMPONENT PIN “A1” TRAY PIN 1 BEVEL PACKAGE IN TRAY LOADING ORIENTATION LGA 204 0113 REV C 10.1600 SUGGESTED PCB LAYOUT TOP VIEW Ø(0.630) PAD 1