18-Lead Ceramic Dual In-Line Package [CERDIP] (Q-18) Dimensions shown in inches and (millimeters) a 0.005 (0.13) MIN 0.098 (2.49) MAX 18 10 1 9 PIN 1 0.200 (5.08) MAX 0.200 (5.08) 0.125 (3.18) 0.023 (0.58) 0.014 (0.36) 0.310 (7.87) 0.220 (5.59) 0.960 (24.38) MAX 0.060 (1.52) 0.015 (0.38) 0.320 (8.13) 0.290 (7.37) 0.150 (3.81) MIN 0.100 (2.54) BSC 0.070 (1.78) SEATING PLANE 0.030 (0.76) 15° 0° 0.015 (0.38) 0.008 (0.20) CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETERS DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.