My first thought was impedance as well. But you could also try checking your
package RLGC assumptions for the slow corner. Perhaps inductance assumption is
too high??
Chris
From: si-list-bounce@xxxxxxxxxxxxx <si-list-bounce@xxxxxxxxxxxxx> On Behalf Of
Venkat S
Sent: Tuesday, December 3, 2019 9:40 AM
To: Taddonio, Paul <Paul.Taddonio@xxxxxxxxxxx>
Cc: si-list@xxxxxxxxxxxxx
Subject: [EXTERNAL] [SI-LIST] Re: Overshoot/undershoot is higher in Slow corner
than fast corner
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Thanks Paul,
Output impedance is close to fast corner impedance.
Regards
Venkat
On Tue, Dec 3, 2019, 7:46 PM Taddonio, Paul
<Paul.Taddonio@xxxxxxxxxxx<mailto:Paul.Taddonio@xxxxxxxxxxx>>
wrote:
While we might expect a slower rise time at the slow corner, Is there
possibly a greater output impedance mismatch at the slow corner? -Paul
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx<mailto:si-list-bounce@xxxxxxxxxxxxx>
[mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Venkat S
Sent: Tuesday, December 3, 2019 2:28 AM
To: si-list@xxxxxxxxxxxxx<mailto:si-list@xxxxxxxxxxxxx>
Subject: [SI-LIST] Overshoot/undershoot is higher in Slow corner than fast
corner
Hi SI/PI experts,
I observed a strange behavior in my memory
simulations.In<http://simulations.In> Slow corner we
are seeing higher Overshoot and Undershoot than Fast Corner.
What could be the reason for this ?
It will be great if anyone could provide some ways to figure out this
issue.
Regards,
Venkat
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