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Inconsistent Simulation Results

Hi! I have been working on neuromorphic circuit designs. Recently, I implemented a circuit that gives me different simulation results (voltage signal of stressed and aged) every time I renamed, made a copy, or simulated the same circuit the following day.

The circuit device dimensions and parameters are the same. I can't seem to find the reason that is causing this variation.

Please help me figure out what the problem could be as consistent results are critical for my current work.

Andrew Beckett over 3 years ago

Perhaps your circuit has multiple operating points and so is (for some reason) very sensitive to the condition or even the netlist ordering. Take a look at this recent blog:Spectre Tech Tips: Identifying and Resolving Spectre Accuracy Issues Caused by Multiple DC Solutions
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