[SI-LIST] Re: May I know how can I check the ibis model from vendor
- From: "Lynne D. Green" <lgreen22@xxxxxxxxxxxxxx>
- To: <pa_sa_ko@xxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Thu, 31 Aug 2006 21:29:41 -0700
Hello, Sanjay,
If one is concerned about a model, one could suggest to the manufacturer
(model maker) that they submit the model to the IBIS Review Committee.
(http://www.eigroup.org/ibis/support.htm)
Best regards,
Lynne
"IBIS training when you need it, where you need it."
Dr. Lynne Green
Green Streak Programs
http://www.greenstreakprograms.com
425-788-0412
lgreen22@xxxxxxxxxxxxxx
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of pal pal
Sent: Saturday, August 19, 2006 4:01 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: May I know how can I check the ibis model from vendor
Hi, We are using Micron SDRAM "MT48LC16M16/TSOP54" as a standard peripheral
for MPC8245. While executing prelayout simulations, we found ringing and
overshoots/ undershoots regardless of tracelength and frequency; we have
alsotested the same with verious series terminations. Unfortunately all
results are not acceptable. We are using the IBIS model from the micron
website. Also we have tried with the other compatible SDRAM memory IBIS
models from Samsung and Infineon. The simulation results for pre as well as
post layout are very good with the appropriate terminations. Is this problem
related of I/O mismatch or there is any problem in IBIS model available on
website. Thanks sanjay
-----Original Message----- From:
si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf
Of Yuming Cheng Sent: Tuesday, August 15, 2006 2:53 PM To:
harrison_cls@xxxxxxxxxxxx; si-list@xxxxxxxxxxxxx Subject: [SI-LIST] Re: May
Iknow how can I check the ibis model from vendor You also need to setup a
test circuit and compare the wave with HW Spec/datasheet.
__________________________________________________ ?
http://cn.mail.yahoo.com----------------------------------------------------
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