Stats

  • Locked Locked
  • Replies 8
  • Subscribers 144
  • Views 15917
  • Members are here 0
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

cdsvias problems

fuelectronics

 Dear all,

I try to creat the vias in my own PDK,  so i goes to technology file manger to creat cdsvias. 

After that i return back to  Virtuoso layout editting, to press "O", it shows   NO CONTACTS/VIAS defined in constraint group.

I check the "Help", I should go to window>>contraint group manger for my vias defination, but i did not find this option in there. 

Do you have any idea to sovle this problem, let me get the required VIAS in the contraint group.  

 

 

Parents
  • fuelectronics

    Sorry to ask so detailed questions, it is really helpful to know how to build a PDK for a beginner.  

    I have solved the last problem by accepting the suggestion. I can see the vias option when i press "o" in the editor. But I try to put the vias into the layout editor, they are not visable (or empty).

    I check the other technology PDK, it always has a "via" view in the library. For example, named M1_M2 with "via" view.

    I donot have such cells in my library, I try to produce them by creating CDSvia in the technology file manger, but they are in the view of "layout" 

    Did I miss some tech layer rules in there ? 

Reply
  • fuelectronics

    Sorry to ask so detailed questions, it is really helpful to know how to build a PDK for a beginner.  

    I have solved the last problem by accepting the suggestion. I can see the vias option when i press "o" in the editor. But I try to put the vias into the layout editor, they are not visable (or empty).

    I check the other technology PDK, it always has a "via" view in the library. For example, named M1_M2 with "via" view.

    I donot have such cells in my library, I try to produce them by creating CDSvia in the technology file manger, but they are in the view of "layout" 

    Did I miss some tech layer rules in there ? 

Children
No Data

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.