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 pin delay settings in V16.2 

Last post Tue, Jun 26 2012 7:52 PM by purikku22. 3 replies.
Started by purikku22 20 Jun 2012 03:01 AM. Topic has 3 replies.
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  • Wed, Jun 20 2012 3:01 AM

    • purikku22
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    • san fernando pampanga, Philippines
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    pin delay settings in V16.2 Reply

     hi all,

    i have a design wherein we set the pin delay of BGA by using the pin property. But during serpentine wiring, the pin delay we add are not calculated automatically. What should i do enable the pin delay length we added?

     thank you.

     

    • Post Points: 35
  • Tue, Jun 26 2012 4:51 AM

    • Urmil
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    • Joined on Thu, Jul 31 2008
    • Posts 3
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    Re: pin delay settings in V16.2 Reply
    Dear customer,

    I am happy to supply you an answer to your quesiton by referencing knowledge content available on the Cadence Online Support (http://support.cadence.com) web site.  Access to this site is available to all Cadence customers currently on maintenance.   If you have any questions regarding access, please call 1-888-CDS-4911.

    Here is the Cadence Online Support information I believe will answer your question:
    http://support.cadence.com/wps/mypoc/cos?uri=deeplinkmin:ViewSolution;solutionNumber=11483282

    Regards,
    Urmil
    Cadence Customer Support
    • Post Points: 5
  • Tue, Jun 26 2012 5:15 AM

    • mcatramb91
    • Top 150 Contributor
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    • Chelmsford, MA
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    Re: pin delay settings in V16.2 Reply

    Hello,

    A couple things come to mind:

    1) Did you enable the Package Pin Delay DRC Checks.  Under the Setup Menu select Constraints > Modes and under the Electrical Options you will need to check the box under the Pin Delay section to include all Propagation Delays and Diff Pair Phase in the calcuations. 

    2) To take advantage of thes checks you will also need one of the higher tier tools to support this constraint otherwise they will be ignored.  In Allegro 16.5 you will need to enable the High Speed option during startup.  In Allegro 16.2 you will need to use the Allegro PCB Design XL license.

    Constraint manager will also show the headers for the Pin Delay as Yellow indicated that the rule is not enabled.

    Hope this helps,
    Mike Catrambone
    Plexus Engineering Solutions

    • Post Points: 20
  • Tue, Jun 26 2012 7:52 PM

    • purikku22
    • Top 50 Contributor
    • Joined on Wed, Jul 16 2008
    • san fernando pampanga, Philippines
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    Re: pin delay settings in V16.2 Reply

     Thanks Urmil and Mike!

    I will try your solutions. I have a feeling that Mike answer is the problem. The last time I checked my design, I am using only a Performance Option. I will try it in the XL license that we have.

    Cheers! Have a great day

    Best regards,

    Eric

    • Post Points: 5
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Started by purikku22 at 20 Jun 2012 03:01 AM. Topic has 3 replies.