RE: help with ibischk3 warnings and min data

From: Ingraham, Andrew <Andrew.Ingraham@compaq.com>
Date: Tue Nov 21 2000 - 13:51:59 PST

> WARNING - Model 'tristate_driver': MAX AC Falling Endpoints ( 1.34V,
> 3.60V)
> not within
> 0.045V (2%) of ( 1.34V, 3.79V) on VI curves for 50 Ohms to 3.6V
>
> For example, in the last warning statement, it states the correct range to
> be ( 1.34V, 3.79V). If my supply voltage is 3.6V, how can the final
> voltage be 3.79V, higher than 3.6V?
 
Looking at your V-I curves, the [Pullup] curves do not pass through the
origin! In the I(min) and I(max) columns, the current doesn't equal zero
when Voltage is zero.

That may be why you get that strange behavior. I don't know what caused the
V-I curves to be like this.

Andy

 
Received on Tue Nov 21 13:55:35 2000

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