LGA Package 108-Lead (16mm × 11.9mm × 2.82mm) (Reference LTC DWG # 05-08-1936 Rev Ø) SEE NOTES DETAIL A aaa Z 9 A 8 7 6 5 4 3 2 7 1 A PIN “A1” CORNER B 4 b PIN 1 C D E MOLD CAP F SUBSTRATE F D G H1 H J Z bbb Z H2 DETAIL B K L e M DIA (0.630) 108x eee S X Y X aaa Z b Y E e SEE NOTES G 3 PACKAGE BOTTOM VIEW DETAIL B PACKAGE SIDE VIEW PACKAGE TOP VIEW 2. ALL DIMENSIONS ARE IN MILLIMETERS 5.080 3.810 2.540 DETAIL A 1.270 0.000 1.270 2.540 3.810 5.080 NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994 DIMENSIONS 6.9850 0.630 ±0.025 Ø 108x 5.7150 4.4450 3.1750 1.9050 0.6350 0.0000 0.6350 1.9050 3.1750 4.4450 5.7150 6.9850 SUGGESTED PCB LAYOUT TOP VIEW SYMBOL A b D E e F G H1 H2 aaa bbb eee MIN 2.72 0.60 NOM 2.82 0.63 16.00 11.90 1.27 13.97 10.16 0.32 2.50 MAX 2.92 0.66 3 BALL DESIGNATION PER JESD MS-028 AND JEP95 4 DETAILS OF PIN #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE PIN #1 IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE NOTES 5. PRIMARY DATUM -Z- IS SEATING PLANE 6. THE TOTAL NUMBER OF PADS: 108 7 0.37 2.55 0.15 0.10 0.15 TOTAL NUMBER OF LGA PADS: 108 0.27 2.45 ! 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 108 1212 REV Ø