Allegro Integrated Analysis and Checking – IR Drop Workflow: RAK
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6. Click the Select Power Tree link and load the PCIe_DualDimm.pwt attached file.
Note that if the PowerTree file matches the design, a green tick appears
against Select Power Tree.
7. Select the Analysis Options link. This opens the IR Drop Analysis Parameters
Setup window as shown below:
Note that IPC is selected under Threshold Mode with the default 10°C
Temperature Rise. Based on this, the tool refers the IPC standard to calculate all
constraints for global and instance values of all vias and traces. Click OK.