Re: Ramp Def. ??

Ahmed:

Case (b).

The 20% and 80% voltage points are 1.8 V and 4.2 V.

Best Regards,
Bob Ross
Interconnectix, Inc.

> Date: Wed, 23 Oct 1996 18:17:25 -0500
> From: omera@trailblazer.sps.mot.com (Ahmed Omer)
> Message-Id: <9610232317.AA01794@trailblazer.aisl.aus>
> To: ibis@vhdl.org
> Subject: Ramp Def. ??
> X-Sun-Charset: US-ASCII
> Status: RO

> Hello IBIS people

> Is ramp rate defined as the time it takes the output to go:
> (a) 20% to 80% of output final value
> or
> (b) 20% to 80% of output voltage swing*

> * I define voltage swing as the difference
> between final value and initial value.
>
> For example;
> Say, the output swings 1 to 5 volts. | 5 v ____
> To calculate the ramp rate do I use | /
> (a) 20% to 80% of 5 volts | /
> or | /
> (b) 20% to 80% of 4 volts | 1v ____/
>
> Regards, Ahmed.
> |---------------------------------------+------------------------------------|
> |Ahmed Omer | Advanced Interconnect Systems Labs |
> |E-MAIL: omera@trailblazer.sps.mot.com | Semiconductor Products Sector |
> | : R28450@email.sps.mot.com | M O T O R O L A, Inc. |
> |Phone: 512-933-2247 | 3501 Ed Bluestein Blvd MDrop: F36 |
> |Fax: 512-933-5845 | Austin, TX 78721 |
> |---------------------------------------+------------------------------------|
Received on Wed Oct 23 18:38:23 1996