56-Lead Lead Frame Chip Scale Package [LFCSP_WQ] 8 x 8 mm Body, Very Very Thin Quad (CP-56-10) Dimensions shown in millimeters 0.30 0.25 0.18 56 43 42 0.50 BSC 0.80 0.75 0.70 PKG-005610 SEATING PLANE 0.45 0.40 0.35 28 6.40 SQ 6.30 15 BOTTOM VIEW PIN 1 INDICATOR *6.50 EXPOSED PAD 29 TOP VIEW 1 14 0.20 MIN 6.50 REF 0.05 MAX 0.02 NOM COPLANARITY 0.08 0.203 REF *COMPLIANT TO JEDEC STANDARDS MO-220-WLLD-5 WITH EXCEPTION TO EXPOSED PAD DIMENSION. 08-19-2013-A PIN 1 INDICATOR 8.10 8.00 SQ 7.90