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ADE XL Dynamic Spec

Hi,

Is it possible to create a spec for a test signal that is dynamic? Say you have a requirement to a signal that is based on what your supply is, ie. the output should be < Vdd*0.7.

I have been able to achieve this by creating a seperate test for each supply I have, and add numerical values in the Spec column in Outputs Setup. However, I feel that this is a workaround which is not optimal. My supply is set by a variable, so what I really want to do is add a list of supply values in the Design Variables in Corner Setup and have a Spec that is based on a this parameter.

Andrew Beckett over 12 years ago

The ability to have parameterized specs is due to be coming in IC616.
In the meantime, adjust your expression to include the variable spec - e.g. do originalMeasureExpression-theSpecExpression > 0 (i.e. set the spec to 0, and subtract the varying spec from your expression). Not ideal, but it works...
Andrew.
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Tobben24 over 12 years ago

Okay, thanks. Are there any official release date on IC616?
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Andrew Beckett over 12 years ago

It's due in May.
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Tobben24 over 12 years ago

Hi,
Has 6.16 been released yet?
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Andrew Beckett over 12 years ago

IC616 was released just over 3 weeks ago, but I was a bit premature in saying that this would be part of IC616. It's not in the initial IC616 release; most likely this will be in IC616 ISR3. The work to implement this so that it works everywhere has been quite extensive, and has involved some fairly hefty rearchitecting, so wasn't ready in time for the initial IC616 release. In general we tend to stage new features in the ADE tools so that they come in every few (typically 3) ISRs to allow for increased testing by AEs and customers prior to release, hence the likely timeline of ISR3. This is not a promise, by the way, as it will depend on testing by AEs to and Product Engineering to ensure that the use model makes sense and it is of sufficient quality to enable the release.
Kind Regards,
Andrew.
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Tobben24 over 12 years ago

Okay. Do you have any place on your webpage where I can see current version number and what new features this have?
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Andrew Beckett over 12 years ago

If you go to downloads.cadence.com you can see the available versions.
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Andrew Beckett over 12 years ago

Sorry, hit the Post button too quickly. Also meant to point you to the What's New document in the documentation (can also be found in cdnshelp if you've installed the software, or on <ICinstDir>/doc/virtuosoWN/virtuosoWN.pdf ):
http://support.cadence.com/wps/PA_DocumentViewer/pubs/virtuosoWN/virtuosoWN6.1.6/virtuosoWNTOC.html
Regards,
Andrew.
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StefanHi over 10 years ago

Hello,

is there any estimation when this functionality will be available? I'm using ISR 8 and I tried this, but it did't work.

Best regards,

Stefan
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Andrew Beckett over 10 years ago

Stefan,

This was released in IC616 ISR9.

Regards,

Andrew.
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