Plastic Packages for Integrated Circuits Plastic Dual-In-Line Packages (PDIP) E D A2 SEATING PLANE L N A PIN #1 INDEX E1 c e b A1 NOTE 5 1 eA eB 2 N/2 b2 MDP0031 PLASTIC DUAL-IN-LINE PACKAGE INCHES SYMBOL PDIP8 PDIP14 PDIP16 PDIP18 PDIP20 TOLERANCE A 0.210 0.210 0.210 0.210 0.210 MAX A1 0.015 0.015 0.015 0.015 0.015 MIN A2 0.130 0.130 0.130 0.130 0.130 ±0.005 b 0.018 0.018 0.018 0.018 0.018 ±0.002 b2 0.060 0.060 0.060 0.060 0.060 +0.010/-0.015 c 0.010 0.010 0.010 0.010 0.010 +0.004/-0.002 D 0.375 0.750 0.750 0.890 1.020 ±0.010 E 0.310 0.310 0.310 0.310 0.310 +0.015/-0.010 E1 0.250 0.250 0.250 0.250 0.250 ±0.005 e 0.100 0.100 0.100 0.100 0.100 Basic eA 0.300 0.300 0.300 0.300 0.300 Basic eB 0.345 0.345 0.345 0.345 0.345 ±0.025 L 0.125 0.125 0.125 0.125 0.125 ±0.010 N 8 14 16 18 20 Reference NOTES 1 2 Rev. C 2/07 NOTES: 1. Plastic or metal protrusions of 0.010” maximum per side are not included. 2. Plastic interlead protrusions of 0.010” maximum per side are not included. 3. Dimensions E and eA are measured with the leads constrained perpendicular to the seating plane. 4. Dimension eB is measured with the lead tips unconstrained. 5. 8 and 16 lead packages have half end-leads as shown. 1