[SI-LIST] Re: package SSN model accuracy requirements
- From: Ray Anderson <ray.anderson@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 08 Mar 2005 08:47:16 -0800
Vadim Heyfitch wrote:
>
>3) As one should expect, package model accuracy comes at the expense of model
>complexity. The complex model would take more CPU time to run than a simpler
>one. What would be the acceptable trade-off between the accuracy, the
>simulation speed, and the size of the package model (a.k.a. number of IO
>pins)?
>What would be the acceptable simulation time (if defined for 100ns transient
>run)??
>
>
>
A related question:
Besides utilizing either lumped or distributed RLC or transmission line
realizations of a package model to do SSN simulations, I wonder what the
thoughts and experiences of those on the list have been regarding the
use of s-parameter defined n-port models to do these simulations?
Depending on the simulator you utilize these models have the potential
to accurately predict SSN performance. Is anyone successfuly using these
models in their simulations?
-Ray
--
Raymond Anderson
Senior Signal Integrity Staff Engineer
Product Technology Dept.
Package Engineering Group
Xilinx Inc.
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