RE: IBIS standard inconsistency

My memory of this is a bit cloudy, but I do remember the 24-straight hour
session we spent hammering out the final version of IBIS 1.1; it's quite
possible that at 3:00 in the morning we missed it, and no one picked it
up in subsequent reviews. Fortunately, it is inconsequential.

Will

-----Original Message-----
From: Aubrey_Sparkman@Dell.com [mailto:Aubrey_Sparkman@Dell.com]
Sent: Monday, July 31, 2000 8:21 AM
To: mbflora@mail.hyperlynx.com; s-nolan1@ti.com
Cc: ibis-users@eda.org
Subject: RE: IBIS standard inconsistency

I'm sure there was some intent to give examples of allowed variation! :-)

Aubrey Sparkman
Signal Integrity
Aubrey_Sparkman@Dell.com
(512) 723-3592

> -----Original Message-----
> From: Matthew Flora [mailto:mbflora@mail.hyperlynx.com]
> Sent: Monday, July 31, 2000 9:46 AM
> To: Stephen Nolan; ibis-users@eda.org
> Subject: Re: IBIS standard inconsistency
>
>
> Dear Stephen M. Nolan,
>
> Section three of the specification does say:
>
> | 1) The content of the files is case sensitive, except for reserved
> | words and keywords.
>
> and:
>
> | 6) Keywords must be enclosed in square brackets, [], and
> must start in
> | column 1 of the line. No space or tab is allowed
> immediately after the
> | opening bracket '[' or immediately before the closing
> bracket ']'. If
> | used, only one space (' ') or underscore ('_')
> character separates the
> | parts of a multi-word keyword.
>
> So both forms you mentioned are legal. Why the text of the
> specification
> mixes the two is anyone's guess.
>
> Best regards,
> Matthew Flora
>
>
> ----- Original Message -----
> From: "Stephen Nolan" <s-nolan1@ti.com>
> To: <ibis-users@eda.org>
> Sent: Friday, July 28, 2000 7:51 PM
> Subject: IBIS standard inconsistency
>
>
> > In the IBIS standard, the keywords [IBIS Ver] and [File
> Rev] appear to the
> the
> > only keywords that have capitalized words other than the
> first word (the
> word
> > IBIS being completely capitalized accepted as an acronym).
> All other keyword
> > have the first word capitalized followed by the other words
> lower case. Eg.
> > [Comment char], [File name], [Voltage range]....
> >
> > Why is there an inconsistency in the style of these keywords?
> >
> > Also, some multiple-word keywords use an underscore between
> words instead of
> a
> > space. Eg. [GND_clamp], [POWER_clamp].
> >
> > Again, why the inconsistency?
> > --
> > Regards,
> > Stephen M. Nolan
> >
>
Received on Mon Jul 31 08:33:05 2000