NW Package 28-Lead PDIP (Wide .600 Inch) (Reference LTC DWG # 05-08-1520) 1.467* (36.957) MAX 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 .505 – .560* (12.827 – 14.224) .600 – .625 (15.240 – 15.875) .008 – .015 (0.203 – 0.381) ( +.035 .625 –.015 15.87 +0.889 –0.381 NOTE: 1. DIMENSIONS ARE .150 ± .005 (3.810 ± 0.127) .045 – .065 (1.143 – 1.651) .015 (0.381) MIN NW28 1103 ) .120 (3.175) MIN INCHES MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm) .035 – .080 (0.889 – 2.032) .100 (2.54) BSC .018 ± .003 (0.457 ± 0.076)