Re: [SI-LIST] : Power derivation from IBIS model

From: D. C. Sessions ([email protected])
Date: Mon Dec 20 1999 - 13:34:02 PST

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"Kowal, Keith" wrote:
>
> I looking for a down and simple method of calculating power(average)/pin.
>
> My constaints are : known good IBIS model output
> in-circuit loading (e.g. single output driver /
> multiple input loads)
>
> any comments?> please let me know.

P=FCV^2

for ((un)|(source))-terminated CMOS.

Shunt-terminated logic is pretty much a case of using the IBIS model to
calculate the stable operating point currents, weighing them by duty
cycle, and multiplying by Vddq.

-- 
D. C. Sessions
[email protected]
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