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20-PIN PLASTIC PLCC SURFACE MOUNT~ Q PACKAGE SUFFIX
DIMENSIONS  
  INCHES MILLIMETERS NOTES
MIN MAX MIN MAX  
A .385 .395 9.78 10.03  
A1 .350 .356 8.89 9.04 1
B .013 .021 0.33 0.53  
C .170 .180 4.32 4.57  
C1 .100 .110 2.54 2.79  
D .050 BSC 1.27 BSC 2
E .026 .032 0.66 0.81  
F .020 - 0.51 - 3, 4
G .290 .330 7.37 8.38  
MA2064
NOTES:
1. 'A1' DOES NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 IN. PER SIDE.
2. THE BASIC LEAD SPACING IS 0.050 IN. BETWEEN CENTERLINES. EACH LEAD CENTERLINE SHALL BE LOCATED WITHIN ±0.004 IN. OF ITS EXACT TRUE POSITION.
3. 'F' IS MEASURED FROM THE SEATING PLANE TO THE BASE PLANE.
4. LEADS SHALL BE COPLANAR WITHIN 0.004 IN. AT THE SEATING PLANE.
5. CONTROLLING DIMENSION: INCHES. MILLIMETERS SHOWN FOR REFERENCE ONLY.