Hello all - Thank you all for looking into this!
I have enclosed the header from the IBIS model in question. When I was first
presented
with this model, I thought (as did others) that this was an IBIS model to be
used in PDN
analysis only - or maybe in a co-simulation.
Based on the comments and general puzzlement, I must assume that it’s a naming
convention
from the vendor. I have pinged the vendor - had no response so far - I will
ping the vendor (again) !
************************************************************************
| File Header
|************************************************************************
[IBIS ver] 5.0
[File name] xxxxxxxxx_ibis_0hz_combined.ibs
[File Rev] 1
[Date] Tue Nov 5 14:19:00 2019
[Source]
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx <si-list-bounce@xxxxxxxxxxxxx> On Behalf Of
Westerhoff, Todd
Sent: Friday, January 17, 2020 6:33 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: What is a 0Hz IBIS model?
This message originated outside of DISH and was sent by:
si-list-bounce@xxxxxxxxxxxxx
I'm wondering if it's just terminology getting mixed up or being used in a way
we don't expect.
For example, the V/I curves in an IBIS model effectively describe DC behavior,
so that's one interpretation.
Another possibility is that active and passive models are getting mixed up, so
that "0 Hz" is referring to a DC point in an S-parameter, where it's pointed to
by an IBIS model or not.
Charles, can you shed any light on this?
Todd.
Todd Westerhoff
High-Speed Design Product Marketing | Electronic Board Systems
300 Nickerson Rd, Marlboro, MA 01752
todd_westerhoff@xxxxxxxxxx | office: 508-303-5821 | cell: 978-846-0203
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On ;
Behalf Of Tran, Eric
Sent: Thursday, January 16, 2020 5:59 PM
To: CHARLES.GRASSO@xxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: What is a 0Hz IBIS model?
It must have been marketing that invented the 0Hz term because we just call it
DC. A DC model does nothing, maybe Rdson voltage drop?
Eric
P.S I've been lurking for 13 years and this finally made me comment.
On 1/16/20, 7:44 AM, "si-list-bounce@xxxxxxxxxxxxx on behalf of Grasso,
Charles" <si-list-bounce@xxxxxxxxxxxxx on behalf of CHARLES.GRASSO@xxxxxxxx>
wrote:
Hello SI gurus - Would someone please help me understand what a 0Hz IBIS
model is?
Thanks!
Charles Grasso
(w) 303-706-5467
(c) 303-204-2974
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