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create via

  • Binary Data Bus via programming script

    Is there a simple, automated way of placing vias from a data bus in a binary pattern to instances like decoders?
    Posted to Custom IC SKILL (Forum) by jaleco on Mon, Jul 21 2014
  • Create a Via with the same parameters as what "auto" option provided on the "Create Via Form"

    Hi there, I am very new to this community. I am trying to implement creating via automatically using skill code. Thanks for all the information that you provided. I was able to place the via wher I want using skill code. However, in terms of the VIA params, I would like to create a via with the same...
    Posted to Custom IC SKILL (Forum) by Yanhong on Fri, Mar 28 2014
  • How to fill a bounding box with as many vias as possible

    Hi, I have a bounding box of the parallel area between to layers of metal, and i want to create a skill method to fill that area with as many vias as possible. this is my first attempt to write a skill program, but it seems like a basic operation every skill programmer probably implemented, so before...
    Posted to Custom IC SKILL (Forum) by TauStudent on Sat, Apr 27 2013
  • cdsvias problems

    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...
    Posted to Custom IC SKILL (Forum) by fuelectronics on Wed, Apr 24 2013
  • update "cutSpacing" of a via

    Hi guys, Long time lurker, first time poster. I first want to thank Andrew, Lawrence and other regulars for contributing to this forum. I have a simple problem that I can't seem to figure out and I am hoping you guys can point me to the right direction. I am trying to update the "cutSpacing"...
    Posted to Custom IC SKILL (Forum) by chianga on Tue, Dec 18 2012
  • Re: Auto contact SKILL function

    Hi Yaosan, Yes, the code just transforms the bounding box, not the shapes themselves. If I have understood your problem correctly, you are wanting to create a via at the intersection of two appropriately overlapping shapes in the layout, whether these shapes are present at level 0, or at other levels...
    Posted to Custom IC SKILL (Forum) by skillUser on Tue, Nov 17 2009
  • Re: Auto contact SKILL function

    Hi again Yaosan, I just searched and found Solution 11185634 Additionally there is a solution which uses dbGetOverlaps which may help: Solution 11304230 Hopefully this will help you. Regards, Lawrence.
    Posted to Custom IC SKILL (Forum) by skillUser on Tue, Nov 17 2009
  • Re: Auto contact SKILL function

    Hi Yaosan, First, I will assume that you are talking about version IC61x, since the menu you described was "Create Via" and not Create Contact. In IC61 (based on the Open Access database), vias are objects as opposed to instances (as they were in IC5141 and earlier), so you would use the dbCreateVia...
    Posted to Custom IC SKILL (Forum) by skillUser on Tue, Nov 17 2009
  • Stacked Vias

    Hi, I am interested to know if these's a way to create a stacked VIA, say a stack of VIA4 & VIA5 in a 6 metal process. I am interested to know how do I add this Stack VIA in the technology file? Can I add it to the tech file throught an API like the CreateStdVia & the CreateCustomVia? Or...
    Posted to Custom IC SKILL (Forum) by Davadaroo Baba on Fri, Sep 4 2009
  • Re: How to replace Vias in Virtuoso6.1.3 version.

    Hi Veera, In IC613 vias are no longer instances but OA objects, so they have a different interface for creation. Try the dbCreateVia() function in combination with something like dbFindViaHeaderByName() (or techFindViaDefByName(), or techFindViaSpec() ) to obtain the via definition. I'm not sure...
    Posted to Custom IC SKILL (Forum) by skillUser on Fri, Aug 7 2009
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