a 52-Lead Low Profile Quad Flat Package [LQFP] (ST-52) Dimensions shown in millimeters 0.75 0.60 0.45 12.00 BSC 1.60 MAX 52 40 39 1 SEATING PLANE TOP VIEW 10.00 BSC (PINS DOWN) 1.45 1.40 1.35 0.15 0.05 0.20 0.09 SEATING PLANE 7 3.5 0 0.08 MAX COPLANARITY VIEW A VIEW A 13 27 26 14 0.65 BSC ROTATED 90 CCW COMPLIANT TO JEDEC STANDARDS MS-026BCC 0.38 0.32 0.22