28-Lead Lead Frame Chip Scale Package [LFCSP_VQ] 5 x 5 mm Body, Very Thin Quad (HCP-28-1) Dimensions shown in millimeters 0.30 0.25 0.18 1 21 0.50 BSC 3.85 3.15 SQ 3.05 EXPOSED PAD 15 TOP VIEW 1.00 0.90 0.80 PKG-000000 SEATING PLANE 0.65 0.55 0.45 PIN 1 INDICATOR 28 22 7 14 BOTTOM VIEW 8 0.05 MAX 0.02 NOM COPLANARITY 0.08 0.20 REF COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-1. 0.20 MIN 05-06-2015-A PIN 1 INDICATOR 5.10 5.00 SQ 4.90