>From: Andy Ingraham[SMTP:ingraham@wrksys.ENET.dec.com]
>Sent: Friday, September 05, 1997 9:46 AM
>To: firstname.lastname@example.org; email@example.com;
>Cc: firstname.lastname@example.org; ingraham@wrksys.ENET.dec.com
>Subject: Re: [SI-LIST] : IBIS model question
>> Anybody know where I can find an IBIS model for a shielded twisted pair
>> cable? The cable model would be used to help analyze a differential ecl
>Um, this is not what IBIS is for. IBIS ("I/O Buffer Information
>Specification") is used to describe active circuits, where SPICE
>structural models reveal too much information which might be
>proprietary. IBIS models are generally 1-ports (loads, outputs).
>Me thinks you should be asking for a SPICE model; and because all but
>the simplest of t-line implementations differ among SPICE (and
>SPICE-like) vendors, you might want to specify which simulator you
>plan to use this with, among other things.