UKJ Package Variation: UKJ64MA 64-Lead Plastic QFN (7mm × 11mm) (Reference LTC DWG # 05-08-1853 Rev Ø) 0.70 ± 0.05 7.50 ± 0.05 2.20 ±0.05 0.55 REF 6.10 ± 0.05 5.50 REF 5.20 ±0.05 2.05 ±0.05 4.75 ±0.05 PACKAGE OUTLINE 0.25 ± 0.05 0.50 BSC 9.50 REF 10.10 ± 0.05 11.50 ± 0.05 APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED 7.00 ± 0.10 0.75 ± 0.05 PIN 1 NOTCH R = 0.30 TYP OR 0.35 × 45° CHAMFER 5.50 REF 63 0.00 – 0.05 64 0.40 ±0.10 PIN 1 TOP MARK (SEE NOTE 6) 1 2 2.20 ±0.10 0.55 REF 2.05 ±0.10 11.00 ± 0.10 9.50 REF 4.75 ±0.10 5.20 ±0.10 R = 0.125 TYP (UKJ64MA) QFN 0609 REV Ø 0.200 REF 0.25 ± 0.05 0.50 BSC BOTTOM VIEW—EXPOSED PAD NOTE: 1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE 2. DRAWING NOT TO SCALE 3. ALL DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE 5. EXPOSED PAD SHALL BE SOLDER PLATED 6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE R = 0.10 TYP