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PrimeTime SI: Crosstalk Delay and Noise

Overview
In this class, you will learn the basic concepts of crosstalk, their effects on timing and noise, how PrimeTime SI can be used to identify these effects, and how PrimeTime SI can be used to perform ‘what-if’ analysis to guide the place and route tools in the fixing of violations. You will apply the PrimeTime SI flow and methodology for chip-level crosstalk analysis. The labs will demonstrate the use of PrimeTime SI to analyze crosstalk failures on an actual design.

Best practice methodologies will give you the insights to drive the PrimeTime SI tool at its optimum performance and to generate quality results.

Hands-on labs follow each training module, allowing you to apply the skills learned in lecture.

Objectives
At the end of this workshop the student should be able to:
  • Run PTSI for crosstalk delay and noise analysis
  • Use the key reports in the shell and GUI to identify violations due to crosstalk, and to guide timing closure
  • Define clock relationships for improved timing accuracy
  • Apply useful commands to catch and report incomplete inputs to PTSI
  • More finely control PTSI and your fixing tool using the following techniques
    • Manually control delta delay and noise calculations for specific nets
    • Apply path-based analysis
    • Apply what-if analysis, both automatically and manually

Audience Profile
Design or verification engineers performing block- and chip-level static timing analysis for signoff.

Prerequisites
Students are expected to have taken the PrimeTime1 workshop, or have the necessary experience to be able to load designs and constraints into PrimeTime, run PrimeTime, and interpret PrimeTime reports.

Course Outline
Day 1
  • Run PrimeTime SI: Crosstalk Delay
  • Completing your Inputs for PTSI
  • Run PrimeTime SI: Crosstalk Noise
  • Improving Accuracy
  • ECO Flows

Synopsys Tools Used
  • PrimeTime SI 2013.06-SP1