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USB3450 数据表(PDF) 40 Page - SMSC Corporation |
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USB3450 数据表(HTML) 40 Page - SMSC Corporation |
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40 / 40 page ![]() Chapter 8 Package Outline Figure 8.1 USB3450-FZG 40 Pin QFN Package Outline, 6 x 6 x 0.9 mm Body (Lead Free) A INITIAL RELEASE 10/29/04 S.K.ILIEV DECIMAL X.X X.XX X.XXX MATERIAL FINISH STD COMPLIANCE THIRD ANGLE PROJECTION PRINT WITH "SCALE TO FIT" DO NOT SCALE DRAWING APPROVED ANGULAR UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS AND TOLERANCES ARE: DIM AND TOL PER ASME Y14.5M - 1994 DRAWN CHECKED NAME SCALE 80 ARKAY DRIVE HAUPPAUGE, NY 11788 USA DWG NUMBER TITLE DATE SHEET REV REVISION HISTORY DESCRIPTION REVISION RELEASED BY DATE S.K.ILIEV S.K.ILIEV S.K.ILIEV ±1° - - ±0.025 ±0.05 ±0.1 10/29/04 1:1 10/29/04 10/29/04 A JEDEC: MO-220 1 OF 1 40 TERMINAL QFN, 6x6mm BODY, 0.5mm PITCH PACKAGE OUTLINE MO-40-QFN-6x6 2 D2 / E2 VARIATIONS CATALOG PART E2 E E1 4X 45°x0.6MAX (OPTIONAL) D D1 TERMINAL #1 IDENTIFIER AREA (D1/2 X E1/2) 40X b 40X L TERMINAL #1 IDENTIFIER AREA (D/2 X E/2) D2 e EXPOSED PAD 3 A1 A2 A 40X 0.2 MIN SIDE VIEW 3-D VIEWS TOP VIEW 3 2 BOTTOM VIEW NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETER. 2. POSITION TOLERANCE OF EACH TERMINAL AND EXPOSED PAD IS ± 0.05mm AT MAXIMUM MATERIAL CONDITION. DIMENSIONS "b" APPLIES TO PLATED TERMINALS AND IT IS MEASURED BETWEEN 0.15 AND 0.30 mm FROM THE TERMINAL TIP. 3. DETAILS OF TERMINAL #1 IDENTIFIER ARE OPTIONAL BUT MUST BE LOCATED WITHIN THE AREA INDICATED. |
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