Allegro Integrated Analysis and Checking – IR Drop Workflow: RAK
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8. Select the Start Analysis link.
9. Run analysis and open the table when finished.
The upper left portion of Simulation Table (the Net Table) lists all DC nets enabled
in the PowerTree (in this case, four). The section to the right (the Summary Table)
lists the Sink information for all of the rails. At the bottom (the Detailed Table) is Pin
information for the selected sink in the Summary Table.
10. Select a net in the Net Table section to filter the Summary Table for just that net.
You can cycle through the nets in the Net Table to see the Summary Table updates.
Note that all information, including tolerances to determine the P/F status, comes
from the PowerTree file.
11. Enable IR Drop Vision and use the vision layer drop-down to select the VCC1 layer.
A control for Vision is a toggle for Vision Type between Voltage and IR Drop. The
other control for Vision is in the IR drop Table. Notice the Vision column in the Net
Table section and see that each checkbox is enabled:
12. Disable all checkboxes except P3V3_STBY.
