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Text File  |  1992-07-02  |  1.6 KB  |  29 lines
  1. % tutorial_example
  2. % special symbol file
  3. %
  4. %----------------------------------------------------------------------
  5. % pin type  connectivity     filename       remarks
  6. % number    c, nc, *[either]
  7. %----------------------------------------------------------------------
  8.     0           *            c_via.ps       % vias only, .050
  9. %----------------------------------------------------------------------
  10. % pin types 1 through 4 have .060 pads intended to be finished
  11. % with a .032 plated through hole.
  12. %----------------------------------------------------------------------
  13.     1           *            c_60s32.ps     % dip pin 1
  14.     2           *            c_60r32.ps     % signal pins
  15.     3           *            c_60r32g.ps    % dip gnd pins, except pin 1
  16.     4           *            c_60r32p.ps    % dip pwr pins, except pin 1
  17. %----------------------------------------------------------------------
  18. % pin types 5 and 8 have .075 pads intended to be finished 
  19. % with a .046 plated through hole.
  20. %----------------------------------------------------------------------
  21.     5           *            c_75r46g.ps    % gnd pin, .046 hole
  22.     8           *            c_75r46.ps     % other pins, .046 hole
  23. %----------------------------------------------------------------------
  24. % via types 98 and 99 have .060 pads to be finished with .032 holes,
  25. % and include thermal ties to an internal power or ground plane.
  26. %----------------------------------------------------------------------
  27.     98          *            c_60r32p.ps    % via, SMD to PWRCON layer
  28.     99          *            c_60r32g.ps    % via, SMD to GNDCON layer
  29.