[ibis-macro] Re: A question.

  • From: Mike Steinberger <msteinb@xxxxxxxxxx>
  • To: ibis-macro@xxxxxxxxxxxxx
  • Date: Tue, 05 Mar 2013 12:20:42 -0500


I agree with Fangyi. Saying exactly what he said using different words, we use Touchstone files to characterize the input or output impedance of a driver or receiver accurately over a wide range of frequencies.

Respectfully yours,
Mike Steinberger

On 3/5/2013 12:14 PM, fangyi_rao@xxxxxxxxxxx wrote:


The motivation of using touchstone to represent Tx and Rx analog models is to capture the transmission/reflection broadband characteristics of the ICs.



*From:* ibis-macro-bounce@xxxxxxxxxxxxx [mailto:ibis-macro-bounce@xxxxxxxxxxxxx] *On Behalf Of *David Banas
*Sent:* Tuesday, March 05, 2013 8:48 AM
*To:* 'ibis-interconn@xxxxxxxxxxxxx'; 'ibis-macro@xxxxxxxxxxxxx'
*Subject:* [ibis-macro] A question.

Hi all,

I was hoping that you might consider the following question and offer your comments at today's meeting.

Is the difficulty one runs into, when one attempts to shorten the time span of IBIS V/T tables, in order to support the bit rates necessary in modern serial communication design, one of the primary motivators for including the a.c. behavior of the Tx driver in the Touchstone model of the on-die interconnect?


*David Banas*

/Sr. Member Technical Staff/

Altera <http://www.altera.com/>

+1-408-544-7667 - desk

/ /

/Did you know Altera offers over 150 free online technical training courses <http://www.altera.com/servlets/searchcourse?coursetype=Online&WT.mc_id=t9_ot_mi_mi_tx_a_311>? Take one today!/


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