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How to change NMOS Internal Gate Connection by using SKILL ?

marbs

Hi All,

I have N-MOS generated in layout, but their Internal Gate Connection are set to Top.

I found it difficult to wire the N-MOS in the layout if their Internal Gate Connection are set to Top,

so I have to change their Internal Gate connection to None, but doing it manually is a tedious job.

So I would like to ask, how to change the Internal Gate Connection of all selected N-MOS in layout

from Top to None by using SKILL ?

 

Any help are appreciated.

 

Regards,

Marbs

  • Very hard to know precisely what you'd have to do without knowing the PDK. The general principle would be to identify the property you need to change (look in the CDF for that component, to check what the parameter for the internal gate connection is called) and then do something like:

    geGetSetSet()~>intGateConn="Top"

    Assuming that the parameter is called intGateConn.  You might have to call the CDF callbacks afterwards - see Solution 11018344.

    Alternatively, if using IC61, you could use the property assistant (Window->Assistants->Property Editor), and then select all the devices, and it's easy to change a parameter for all the components at once. No need for SKILL. You can also use the Edit Properties form to do the same thing (depending on the version, you might be constrained to only do this on devices which are identical), but the property assistant will cope with a selection of different devices, and will handle calling of the callbacks properly.

    Regards,

    Andrew.

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