176-Lead Low Profile Quad Flat Package [LQFP] (ST-176) Dimensions shown in millimeters a 0.75 0.60 0.45 26.20 26.00 SQ 25.80 1.60 MAX 133 132 176 1 PIN 1 24.20 24.00 SQ 23.80 TOP VIEW (PINS DOWN) 0.15 0.05 SEATING PLANE VIEW A ROTATED 90° CCW 0.20 0.09 7° 3.5° 0° 0.08 MAX COPLANARITY 89 44 45 VIEW A 88 0.50 BSC LEAD PITCH COMPLIANT TO JEDEC STANDARDS MS-026-BGA 0.27 0.22 0.17 051706-A 1.45 1.40 1.35