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How to Set Up a Config View to Easily Switch Between Schematic and Calibre of DUT for Multiple Testbenches?

Meraj Ahmad

Hello everyone,

I hope you're all doing well. I’ve set up two testbenches (TB1 and TB2) for my Design Under Test (DUT) using Cadence IC6.1.8-64b.500.21 tools, as shown in the attached figure. The DUT has multiple views available: schematic, Calibre, Maestro, and Symbol, and each testbench uses the same DUT in different scenarios. Currently, I have to manually switch between these views, but I would like to streamline this process.

My goal is to use a single config view that allows me to switch between the schematic and the extracted (Calibre) views. Ideally, I would like to have a configuration file where making changes once would update both testbenches (TB1 and TB2) automatically. In other words, when I modify one config, both testbenches should reflect this update for a single simulation run.

I would really appreciate it if you could guide me on the following:

  1. How to create a config view for my DUT that can be used to easily switch between the schematic and extracted views, impacting both TB1 and TB2.
  2. Where to specify view priorities or other settings to control which view is used during simulation.
  3. Best practices for using a config file in this scenario, so that it ensures consistency across multiple testbenches.

Please refer to the attached figure to get a better understanding of the setup I’m using, where both TB1 and TB2 include the same DUT with multiple available views.

Thank you so much for your time and assistance!

  • If you put both tests in the same maestro view, you can use a global CONFIG variable for this pupose, see support.cadence.com/.../cos . If this does not meet your needs: it is also possible to select another config view in the hierarchy editor, so you could create a config view with the desired settings for your DUT and then select it in the config views of both testbenches.

  • in reply to Frank Wiedmann

    Thank you, Frank, for your response! The second part of your answer was exactly what I was looking for—creating a config view with the desired settings for the DUT and selecting it in the config views of both testbenches. This approach fits perfectly with my requirements. Thanks again for the guidance!

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