[ibis-macro] Re: A new IBIS 5.1 Issue
- From: "Walter Katz" <wkatz@xxxxxxxxxx>
- To: <tom@xxxxxxxxxxxxx>, "'IBIS-ATM'" <ibis-macro@xxxxxxxxxxxxx>
- Date: Mon, 19 Sep 2011 16:39:33 -0400 (EDT)
Tom,
A Terminator is something that goes to ground (or a voltage). An AMI "Bus
Switch" would have both a differential input and a differential output. I
assume you mean by a buss switch something that had one differential input
and multiple differential outputs, or one differential output and multiple
differential inputs. The Repeater BIRD that I introduced to IBIS (BIRD
131). Is a "Bus Switch" with one input and one output.
Walter
From: Tom Dagostino [mailto:tom@xxxxxxxxxxxxx]
Sent: Monday, September 19, 2011 4:26 PM
To: wkatz@xxxxxxxxxx; 'IBIS-ATM'
Subject: RE: [ibis-macro] A new IBIS 5.1 Issue
Walter
Would prohibiting Terminator disallow a Bus Switch in the path?
Tom Dagostino
Teraspeed Labs
9999 SW Wilshire St.
Suite 102
Portland, OR 97225
USA
971-279-5325 Office
971-279-5326 FAX
503-430-1065 Cell
tom@xxxxxxxxxxxxx
www.teraspeed.com <http://www.teraspeed.com/>
Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
401-284-1827
From: ibis-macro-bounce@xxxxxxxxxxxxx
[mailto:ibis-macro-bounce@xxxxxxxxxxxxx] On Behalf Of Walter Katz
Sent: Monday, September 19, 2011 11:27 AM
To: IBIS-ATM
Subject: [ibis-macro] A new IBIS 5.1 Issue
All,
We have received an IBIS file with an AMI Rx that has Model_type
Terminator.
It was always my understanding that an AMI Tx [Model] would be Model_Type
Output (or Output_diff), and an AMI Rx [Model] would be Model_Type Input
(or Input_diff).
IBIS 5.0 is not clear on this. Would you like a BIRD for 5.1 that
explicitly says that Model_type Terminator is allowed or not permitted for
AMI Rx [Model]s?
Walter
Walter Katz
wkatz@xxxxxxxxxx
Phone 303.449-2308
Mobile 720.333-1107
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