28-Lead Ceramic Dual In-Line Package [CERDIP] (Q-28-2) Dimensions shown in inches and (millimeters) a 0.005 (0.13) MIN 0.100 (2.54) MAX 28 15 0.610 (15.49) 0.500 (12.70) 1 14 PIN 1 1.490 (37.85) MAX 0.620 (15.75) 0.590 (14.99) 0.015 (0.38) MIN 0.150 (3.81) MIN 0.200 (5.08) 0.125 (3.18) 0.026 (0.66) 0.014 (0.36) 0.100 (2.54) BSC 0.070 (1.78) SEATING 0.030 (0.76) PLANE 15° 0° CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. 0.018 (0.46) 0.008 (0.20) 030106-A 0.225(5.72) MAX