a 0.75 0.60 0.45 240-Lead Metric Quad Flat Package, Thermally Enhanced [MQFP_ED] (SP-240-1) Dimensions shown in millimeters 34.60 BSC SQ 4.10 MAX 240 181 180 1 SEATING PLANE PIN 1 0.50 BSC LEAD PITCH 25.00* 18.00 HEAT SLUG TOP VIEW (PINS DOWN) 32.00 BSC SQ 0.23 0.20 0.17 GND 0.50 0.25 121 60 0.08 MAX COPLANARITY 61 3.60 3.40 3.20 *COMPLIANT WITH JEDEC STANDARDS MS-029GA EXCEPT FOR HEATSLUG DIMENSIONS 120