72-Lead Lead Frame Chip Scale Package [LFCSP_SS] 10 x 10 mm Body, With Side Solderable Leads (CS-72-1) Dimensions shown in millimeters PIN 1 INDICATOR 10.10 10.00 SQ 9.90 0.30 0.25 0.20 36 48 37 1 0.50 BSC PIN 1 INDICATOR 8.60 8.50 SQ 8.40 EXPOSED PAD 0.30 MIN 25 0.80 0.75 0.70 PKG-00XXXX SEATING PLANE 0.075~0.150 (Step dimension) 0.51 0.45 0.41 18 24 13 BOTTOM VIEW 8.50 REF 0.05 MAX 0.02 NOM COPLANARITY 0.08 0.203 REF COMPLIANT TO JEDEC STANDARDS MO-220-WNND-4 09-27-2013-A TOP VIEW