Power Integrity Analysis Parameters

Power Integrity Constraints



Figure 1.
  • Starting frequency (MHz): lower bound of frequency range in MHz.
  • Middle frequency (MHz): middle point of frequency range in MHz.
  • Ending frequency (MHz): upper bound of frequency range in MHz.
  • Low frequency sweep type: low frequency range sampling method (linear, decade).
  • Number of low frequency points per decade: n number of frequency points per decade or frequency point interval in MHz for linear sampling at low frequency range.
  • High frequency sweep type: high frequency range sampling method (linear, decade).
  • Total number of high frequency points: number of frequency points per decade or frequency point interval in MHz for linear sampling at high frequency range.
  • Default DC current of power pin (mA): default DC sink current of PIN for IR-Drop analysis.
  • Default allowable DC voltage drop (V): default allowable DC voltage drop value for IR-Drop analysis.
  • Default target impedance (Ohm): default target impedance for PDN analysis.
  • Default target starting frequency (MHz): default target impedance start frequency for PDN analysis.
  • Default target ending frequency (MHz): default target impedance end frequency for PDN analysis.
  • Default power/ground via padstack: select default power/ground via pad-stack for PDN analysis.
  • Default signal trace width (mm): default signal trace width value to be used for PDN analysis line reinforcement.
  • Default signal net length (mm): default signal trace length value to be used for PDN analysis line reinforcement.
  • IR drop analysis mesh parameter: define mesh size used for IR-Drop analysis. The larger the number, the smaller the mesh size.
  • Port Number for Analysis:
    • Individual Ports: when selecting, the user directly designates and uses power pins for PDN analysis.
    • Port Groups: when selected, the port is designated by making the entire Power Pin of component into one group during PDN analysis.