144-Lead Low Profile Quad Flat Package, Exposed Pad [LQFP_EP] (SW-144-1) Dimensions shown in millimeters a 0.75 0.60 0.45 22.20 22.00 SQ 21.80 1.60 MAX 20.20 20.00 SQ 19.80 109 144 109 108 1 SEATING PLANE 1 PIN 1 EXPOSED* PAD TOP VIEW (PINS DOWN) 1.45 1.40 1.35 144 108 8.80 SQ 0.20 0.09 VIEW A 7° 3.5° 0° BOTTOM VIEW 36 73 37 72 (PINS UP) 73 36 37 72 VIEW A 0.50 BSC LEAD PITCH ROTATED 90° CCW COMPLIANT TO JEDEC STANDARDS MS-026-BFB-HD *EXPOSED PAD IS COINCIDENT WITH BOTTOM SURFACE AND DOES NOT PROTRUDE BEYOND IT. EXPOSED PAD IS CENTERED. 0.27 0.22 0.17 122006-A 0.15 0.05 0.08 COPLANARITY