[SI-LIST] Re: SI with IBIS models for ECL devices.
- From: "David Fogel" <dfogel@xxxxxxxxxxxxxxx>
- To: tom@xxxxxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Tue, 14 Jan 2003 14:22:26 -0800
I just looked at the model. It may be working fine in your test bench, but
if you look closely you will see that it's incomplete (or wrong, depending
on your point of view). The output 'Diff Pin's are not declared as such.
David Fogel.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Tom Dagostino
Sent: Tuesday, January 14, 2003 1:21 PM
To: dfogel@xxxxxxxxxxxxxxx; v-paliakara2@xxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: SI with IBIS models for ECL devices.
I tried the ON MC100EL07 in Hyperlynx and it worked just fine.
Tom Dagostino
Teraspeed Consulting Group LLC Teraspeed Consulting Group LLC
2926 SE Yamhill St. Device Modeling Division
Portland, OR 97214 13610 SW Harness Lane
Beaverton, OR 97008
http://www.teraspeed.com 503-430-1065
tom@xxxxxxxxxxxxx
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of David Fogel
Sent: Tuesday, January 14, 2003 10:52 AM
To: v-paliakara2@xxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: SI with IBIS models for ECL devices.
Hi,
I tried to use the IBIS models for ECL devices from Onsemi. My conclusion
was that it's a waste of time. Some have syntax!! bugs, some were generated
with 500R load resistors which is wrong and some were just plain wrong.
Also, can HyperLynx handle ECL devices, they behave differently than CMOS.
David Fogel
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Paliakara, Vinod
Sent: Tuesday, January 14, 2003 3:57 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] SI with IBIS models for ECL devices.
Hi,
I am doing SI analysis using IBIS models of ECL devices from Onsemi.
For the MC100EL35D & MC100EL07 devices,
In HyperLynx, the logic 1 level is coming up properly to approx -0.7V but
during the logic 0
interval, the pin just oscillates wildly +/- 20V or more.
For the MC100EL12 buffer,the fall time from logic 1 to 0 is around 10ns ( vs
0.8 ns in the ibis model ).
while the rise time looks allright at 1.5ns
Can anyone tell me what could be the problem?
Thanks,
Vinod
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