Plastic Packages for Integrated Circuits Package Outline Drawing L20.4x4H 20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 0, 12/11 4.00 A 1.975 0.725 B 1 20 6 PIN 1 INDEX AREA 20x 0.25 4.00 3.10 0.10 M C A B 14 (4X) 6 PIN #1 INDEX AREA 0.625 7 20x 0.40 0.15 13 TOP VIEW 16x 0.50 2.00 BOTTOM VIEW SEE DETAIL "X" 0.90±0.10 C 0.10 C C BASE PLANE SIDE VIEW DETAIL "X" 3.525 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 (16x 0.50) 3.775 5 0 . 00 MIN. 0 . 05 MAX. SEATING PLANE 0.08 C 0.20 0 . 2 REF (3.10) 4 (20x 0.25) between 0.15mm and 0.30mm 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. TYPICAL RECOMMENDED LAND PATTERN 7. 1 JEDEC reference drawing: MO-229.