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Measuring Layout Geometry

rafaelon

Hello friends from Cadence,

I have a layout with 1M transistors. I would like to obtain some information from it.

For example, the width and length of a specific interconnection.

I don't want to use the ruler. How could I do it using Skill language or other way?

Thanks,

Rafael

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  • Andrew Beckett

    Rafael,

    This doesn't make any sense to me (and I don't think there's anything built-in to do this, because it seems a strange thing to want to do - I can't see what use this has). The table format you describe would be a bit odd, because all branches are on the VDD net - so wouldn't it just list VDD for all segments? Also, what do you mean by a "branch" - you could have a main VDD trunk (with bends in it) with branches coming off that trunk (which might have bends in them) and then twigs coming off each of those branches. What do you consider to be a branch? Any time the track changes direction? It's rather hard to determine what you really want here - maybe a picture would help? Why do you need this information anyway?

    Not that I can necessarily write this for you - but I might be able to steer you in the right direction to write it yourself, assuming that there is some way of distinguishing what you mean by a branch.

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    Rafael,

    This doesn't make any sense to me (and I don't think there's anything built-in to do this, because it seems a strange thing to want to do - I can't see what use this has). The table format you describe would be a bit odd, because all branches are on the VDD net - so wouldn't it just list VDD for all segments? Also, what do you mean by a "branch" - you could have a main VDD trunk (with bends in it) with branches coming off that trunk (which might have bends in them) and then twigs coming off each of those branches. What do you consider to be a branch? Any time the track changes direction? It's rather hard to determine what you really want here - maybe a picture would help? Why do you need this information anyway?

    Not that I can necessarily write this for you - but I might be able to steer you in the right direction to write it yourself, assuming that there is some way of distinguishing what you mean by a branch.

    Regards,

    Andrew.

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