FW Package 56-Lead Plastic TSSOP (6.1mm) (Reference LTC DWG # 05-08-1652 Rev 0) 56 29 0.95 ±0.10 13.90 – 14.10* (.548 – .556) 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 8.4 ±0.10 6.2 ±0.10 7.9 – 8.3 (.311 – .327) 1 28 0.32 ±0.05 0.50 BSC RECOMMENDED SOLDER PAD LAYOUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 6.0 – 6.2** (.236 – .244) 1.10 (.0433) MAX 0.25 REF 0° – 8° -T0.10 C -C0.09 – 0.20 (.0035 – .008) 0.45 – 0.75 (.018 – .029) 0.50 (.0197) BSC 0.17 – 0.27 (.0067 – .0106) TYP NOTE: 1. CONTROLLING DIMENSION: MILLIMETERS MILLIMETERS 2. DIMENSIONS ARE IN (INCHES) 3. DRAWING NOT TO SCALE *DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED .152mm (.006") PER SIDE **DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE 0.05 – 0.15 (.002 – .006) FW56 TSSOP 0905 REV 0