Package Outline Drawing L21.15x15 21 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (PUNCH QFN) Rev 2, 8/11 X4 0.2 S AB 1 18 4.20 16 14 9 13 12 11 10 4.65 5.65 33x 0.50 1.95 13 14 15 1 x 0.76 15.0±0.2 15.8±0.2 B 0.80 15 2.95 10 11 12 2 3 4 5 6 7 8 8.30 1.25 16 9 19 20 21 1 3.10 12.05 15.8±0.2 15.0±0.2 17 4.40 2 3 4 5 6 7 8 2.95 18 17 6.25 1.95 1 21 20 19 0.05 8x 1.80±0.05 TOP VIEW 17x 0.75 16x 0.80 7.25 S AB BOTTOM VIEW A S 0.2 S SIDE VIEW 0.50 S 0.05 18 17 16 14 19 20 21 1 2 3 4 5 6 7 8 9 15 B A A A B ND A A A A A A A A AROU 3.5±0.2 5° ALL B A A A A A A A A A 13 A A A B 12 11 10 C C B A:1.3±0.1 B:2.6±0.1 C:1.13±0.1 Plastic Packages for Integrated Circuits 9x 1.90±0.05 A 6.90 6.30 5.60 5.00 4.30 3.70 3.00 2.40 0.55 0 0.05 0.90 1.50 2.20 2.80 3.50 4.10 6.78 8.20 6.90 8.30 0.15 0.65 4.20 7.00 6.20 5.70 4.90 4.40 3.60 3.10 2.30 0.65 0 6.00 5.60 4.80 8.30 4.30 6.90 3.50 3.00 5.60 1 2 2.20 4.95 4.15 1.70 0.90 0.40 0 1.05 0.25 0 5.60 3.00 4.80 8.30 4.20 3.60 2.90 1 2 2.30 1.60 1.00 0.30 0 0.30 1.00 1.60 2.30 2.90 4.90 8.30 0.15 0.65 1.45 2.25 4.85 5.65 6.90 Unit: mm Tolerance: ±0.01mm Unit: mm Tolerance: ±0.01mm 6.37 5.25 3.85 1 2 1.35 0.75 0 0.05 1.65 2.25 3.85 5.25 6.375 0 0.75 2.45 2.55 3.05 4.215 4.55 4.815 5.80 6.33 6.475 0 1.25 1.85 3.85 4.45 5.80 Unit: mm Tolerance: ±0.01mm STENCIL PATTERN WITH SQUARE PADS-1 6.48 3.42 4.02 0 0.95 TYPICAL RECOMMENDED LAND PATTERN 6.20 5.40 4.80 4.105 3.545 2.85 2.25 0.55 0 0.75 1.35 2.35 2.80 3.50 4.10 6.10 6.70 8.20 5.50 6.10 5.60 6.00 8.20 6.82 5.50 5.05 4.05 3.60 2.90 2.30 1.60 1.15 0.15 0 0.30 1.00 1.60 2.30 2.90 3.60 4.05 5.05 5.50 6.82 8.20 STENCIL PATTERN WITH SQUARE PADS-2 NOTES: 1. Dimensions are in millimeters. 2. Unless otherwise specified, tolerance : Decimal ± 0.2; Body Tolerance ±0.2mm 3. The configuration of the pin #1 identifier is optional, but must be located within the zone indicated. The pin #1 indentifier may be either a mold or mark feature. Plastic Packages for Integrated Circuits 4.150 4.95 8.30 6.10 5.50 4.70 4.205 3.445 2.95 2.15 0.65 0 2 0.40 0.90 1.70 2.20 6.10 5.50 4.90