Plastic Packages for Integrated Circuits Package Outline Drawing L31.5x7B 31 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 0, 3/12 0.10 M C A B 0.10 M C A B 0.25 0.50 6 PIN 1 INDEX AREA 5.00 A 1.00 0.10 M C A B 1.418 0.50 1.442 0.55 1.317 7.00 0.50 0.83 0.834 0.25 0.50 0.50 B (2X) 0.05 SEE DETAIL "X" // 0.10 C BASE PLANE C SEATING PLANE 0.08 C 0.90±0.10 0.203 0.02 SIDE VIEW 0.25 C 0.2 REF TOP VIEW 5 0.00 MIN 0.05 MAX DETAIL "X" 0.50 1.35 0.25 6 PIN #1 INDEX AREA 0.40 (26x) 0.10 M C A B 6 PIN #1 INDEX AREA 0.65 0.65 1 6 PIN #1 1 INDEX AREA 1 0.19 2.07 0.25 3.70 0.30 0.85 7.00 0.467 0.30 0.25 (31x) 0.30 0.15 0.437 0.15 0.899 0.25 1.50 0.825 (2x) 0.30 0.40 0.55 5.00 0.792 0.55 0.272 0.25 0.322 0.28 0.39 0.322 BOTTOM VIEW 1 1.50 2.05 0.15 0.30 1.50 2.336 Plastic Packages for Integrated Circuits 4.80 0.60 (26x) 3.70 3.50 0.50 (18x) 0.30 0.30 1.57 1.50 0.55 1.025 (2x) 2.336 0.30 1.345 1.843 0.996 1.50 0.30 1.305 1.50 0.847 1.418 1.442 6.80 0.83 2.07 0.25 (31x) 1.345 0.75 TYPICAL RECOMMENDED LAND PATTERN NOTES: 1. Dimensions are in millimeters. Dimensions in ( ) for Reference Only. 2. Dimensioning and tolerancing conform to ASME Y14.5m-1994. 3. Unless otherwise specified, tolerance : Decimal ± 0.05 4. Dimension applies to the metallized terminal and is measured between 0.15mm and 0.25mm from the terminal tip. 5. Tiebar shown (if present) is a non-functional feature. 6. The configuration of the pin #1 identifier is optional, but must be located within the zone indicated. The pin #1 identifier may be either a mold or mark feature. 2