28-Lead Lead Frame Chip Scale Package [LFCSP_WQ] 5 x 5 mm Body, Very Very Thin Quad (CP-28-6) Dimensions shown in millimeters 22 0.50 BSC 1 21 3.40 3.30 SQ 3.20 EXPOSED PAD 15 TOP VIEW 0.80 0.75 0.70 SEATING PLANE 0.50 0.40 0.30 PIN 1 INDICATOR 28 7 14 8 BOTTOM VIEW 0.05 MAX 0.02 NOM COPLANARITY 0.08 0.203 REF COMPLIANT TO JEDEC STANDARDS MO-220-WHHD-3. 0.20 MIN 05-23-2012-B PIN 1 INDICATOR 0.30 0.25 0.18 5.10 5.00 SQ 4.90