Product Documentation
Voltus-XFi Custom Power Integrity Solution User Guide
Product Version IC23.1, November 2023

Voltus-XFi Flow Overview

The flow of the Voltus-XFi EM-IR solution is represented in the following diagram:

The following table describes the steps of the Voltus-XFi workflow:

Workflow Step Description

In Virtuoso ADE Assembler, create an EM-IR setup state.

  • Create a simulation testbench.
  • Set up simulation corners.
  • Save an EM-IR setup state.

Perform EM-IR analysis in Voltus-XFi.

  • Generate xDSPF using Quantus or point to an existing xDSPF.
  • Import the simulation setup state or active setup.
  • Specify EM-IR analysis to run Power IR/EM analysis and Signal IR/EM analysis.
  • Run the static, dynamic, and static power grid solver (SPGS) analyses and generate text reports and results database.

Load EM-IR results in Voltus-XFi Results Browser.

  • Analyze IR drop, electromigration, SPGS, and least-resistive path (LRP) analysis results directly on the Virtuoso layout.
  • Run region-based queries.
  • Debug regions of high IR drop and/or EM violation.

Analyze waveform data.

  • Display current and voltage waveforms in VIVA Waveform Viewer.

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