Re: Bird 49 comments from HyperLynx

Kellee and All:

Thank you for your comments. Arpad and I have also been
recently struggling with the Clocked mode. So we may
have to come up with a different proposal.

Thanks,
Bob Ross
Interconnectix/Mentor Graphics

> Date: Thu, 04 Jun 1998 14:51:42 -0700
> To: ibis@vhdl.org
> From: Kellee Crisafulli <kellee@hyperlynx.com>
> Subject: Bird 49 comments from HyperLynx

> Hi IBIS,

> We did an engineering review of Bird 49 with the
> following comments:

> 1) We will vote YES only if BIRD 48 is change to use SUB_MODEL
> since this bird requires BIRD 48 syntax.

> 2) While static and triggered forms of this BIRD seem well defined
> and straight forward the clocked mode looks very poorly defined
> and we will VOTE NO unless the clocked mode is removed or the
> documentation is improved to define how the clock relates to
> the pulse table. We were not able to determine how the clock
> timing relates to the pulse table.

> 3) There was a large amount of confusion when reading the "Analysis
> path that led to spec" section. It looks like some information
> critical to understanding this bird is embedded in this section and
> mixed with some obsolete syntax. The bird cannot be used without
> filter some information out of this section and putting it in the
> main syntax for the bird e.g. the usage rules for I=f(v-v_pulse(t))
> is not shown in the actual bird.
> We feel this bird is a no go until the usage wording is
> added to the specification section.

> Best wishes:
> Kellee
> Matt
> Steve
>

> -------------------------------------------------------------------------
> Have a great day...
> Kellee Crisafulli at HyperLynx
> kellee@hyperlynx.com http://www.hyperlynx.com
> -------------------------------------------------------------------------
Received on Thu Jun 4 16:09:06 1998