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  3. Auto PR Boundary Alignment in Custom Layout

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Auto PR Boundary Alignment in Custom Layout

kmshah93
kmshah93 over 7 years ago

Hi,

I am doing custom layout in Virtuouso & and for that purpose, I'll define some designs (as per standard cell rules) and instantiate them in the upper level layouts.

Now, when I instantiate any design in layout, I need to manually align their PR boundary for the neighboring cells.

Is there any way to automate this PR boundary aligning process in Virtuoso?

Any help will be greatly appreciated.

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  • Marc Heise
    Marc Heise over 7 years ago

    Hi,

    you could define alignment constraints in the constraint manager  ( one of the assistants )   for your instances. These will be
    followed by Layout XL interactive editing. It's not that easy to describe that here so maybe have a look at the documentation about it.

    Constraints can be defined on the schematic or the layout side.

    There are also a bunch of alignment  commands available in the layout editor which can do the task quickly as well.
    Have the Alignment Toolbar active, select your instances and hit the horizontal/vertical alignment icon.

    Regards,

    Marc

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