Konrad Schwarz (no.spam@no.spam) on 12/15/11 wrote:
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>You write:
>
>As the equation makes clear, subthreshold leakage increases exponentially with temperature.
>
>The exponent in the equation is -B * V / T
>
>If T tends to infinity, the quotient tends toward minus zero,
>and the exponential tends toward one. Isn't the dominant factor in the equation then the T squared?
>
>This would mean that subthreshold leakage increases quadratically with temperature.

That dependence is the asymptotic limit. Normally, you are in the regime where V is MUCH larger than the thermal voltage, which is exponential matters.