PIRA32 Microcontroller© 2016 Pira.cz m32.pdf - page 155.2 28-Lead Plastic Small Outline – Wide, 300 mil Body (SOIC)Units MILLIMETERSDimension Limits MIN TYP MAXNumber of Pins n 28Pitch p 1.27Overall Height A 2.36 2.50 2.64Molded Package Thickness A2 2.24 2.31 2.39Standoff § A1 0.10 0.20 0.30Overall Width E 10.01 10.34 10.67Molded Package Width E1 7.32 7.49 7.59Overall Length D 17.65 17.87 18.08Chamfer Distance h 0.25 0.50 0.74Foot Length L 0.41 0.84 1.27Foot Angle Top 0° 4° 8°Lead Thickness c 0.23 0.28 0.33Lead Width B 0.36 0.42 0.51Mold Draft Angle Top 0° 12° 15°Mold Draft Angle Bottom 0° 12° 15°Notes:§ Significant CharacteristicDimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010”(0.254mm) per side.