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Community Blogs Analog/Custom Design > Virtuoso Video Diary: Enhancements in Reliability Analy…
Udit Rajput
Udit Rajput

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Stress Analysis
Cadence blogs
ICADVM18.1
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Virtuoso Video Diary
aging
reliability analysis
Custom IC Design
IC6.1.8
ADE Assembler

Virtuoso Video Diary: Enhancements in Reliability Analysis

23 Jul 2020 • 3 minute read


In IC6.1.8/ICADVM18.1 ISR3, we introduced a revamped Reliability Options form that entirely changed the way you run reliability analysis in Virtuoso® ADE Assembler and Virtuoso ADE Explorer. In our strive for making things better than before, we continue to enhance reliability analysis. In this blog, we will talk about two of such enhancements that are centered around the concept of reusing what you already have.

 

Reusing a Stress File

Since reliability analysis allows you to use different DUTs for stress and age tests, you may want to run stress simulation on a different set of parameters, such as voltage and temperature, as compared to those of the aging simulation.

In such cases, the stress reuse model is quite helpful. It provides you with the flexibility to separate the stress and age runs in different reliability setups. To do so, use the Configure Stress File form to pass the stress model (input.bs0) from one reliability setup to another.

Reusing a stress file also saves the time that would otherwise have been taken to run the stress test all over again.

  Do check out the Reusing a Stress File in a Reliability Setup video to know how to reuse a stress file in a reliability setup.

Reusing an Output Value

Similar to calcVal, we have developed a SKILL function, calcValForRel, exclusively to be used in the reliability flow. With the help of this function, you can pass the value of an output from one reliability setup to a design variable of another reliability setup.

Using this function not only allows calibrations between reliability setups, but also makes the reliability setups run sequentially, depending on which setup is using the calcValForRel expression.

  Do check out the Using the calcValForRel Function in Reliability Analysis video to know how to use the calcValForRel function.

Related Resources

 Product Manuals

Virtuoso ADE Assembler User Guide 

Virtuoso ADE Explorer and ADE Assembler SKILL Reference 

 Videos

Reusing a Stress File in a Reliability Setup

Using the calcValForRel Function in Reliability Analysis

What's New in Reliability Setup

Using the calcVal SKILL Function in a Design Variable in the ADE Assembler

 Rapid Adoption Kits

IC6.1.8: Reliability Analysis

 Blogs

Virtuoso Video Diary: What's New in Reliability Setup


For more information on Cadence circuit design products and services, visit www.cadence.com.

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For any questions, general feedback, or even if you want to suggest a future blog topic, write to custom_ic_blogs@cadence.com.

About Virtuoso Video Diary

Virtuoso Video Diary is an online journal that relays information about Virtuoso videos that are available in the video library on the Cadence Support portal. Hundreds of interesting videos on a wide variety of new and exciting Virtuoso features have already been created. Virtuoso Video Diary brings you direct links to these videos and other related material, on regular basis. To receive notifications about new blogs in this series, click Subscribe and submit your email ID in the Subscriptions box.

Happy reading!

Udit Rajput  and Yagya Mishra





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