I am not sure about what
means peak and average IR drop mode analysis in Encounter. What of
these two analysis modes should be considered for power plan
I have a small block
design (5K gates) operating at very low frequency (640 KHz) and there
is a big difference between the results of these two analysis modes:
worst IR drop average
analysis: 9.8035e-05 v
worst IR drop peak
analysis: 4.3088e-01 v
Is average analysis
frequency dependent? But voltage drop is not event dependent and so
can cause timing problems also at low frequencies?
Thanks in advance.
i think most of the static analysis tools (FE, VoltageStorm, AstroRail) do not consider C effect. Only if you run dynamic IR drop analyis will the tools (VSDG, PrimeRail, RedHawk..) consider the effect of decap & power buses C. So i don't see the point of checking staic IR drop using peak analysis mode.li siang