40-Lead Lead Frame Chip Scale Package [LFCSP_VQ] 6 x 6 mm Body, Very Thin Quad (CP-40-6) Dimensions shown in millimeters 0.30 0.25 0.20 6.00 BSC SQ PIN 1 INDICATOR 40 1 31 30 0.50 BSC PIN 1 INDEX AREA 21 TOP VIEW 0.45 0.40 0.35 0.90 0.85 0.80 0.21 MAX 0.19 MIN SEATING PLANE 0.02 REF *4.19 4.14 SQ 4.09 EXPOSED PAD 10 11 20 BOTTOM VIEW *COMPLIANT TO JEDEC STANDARDS MO-208 EXCEPT FOR EXPOSED PAD DIMENSION 0.58 0.53 0.48 042408-A a