Publication
IEEE T-ED
Paper

Simple Analytical Models for the Temperature Dependent Threshold Behavior of Depletion-Mode Devices

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Abstract

Threshold voltage shifts in ion-implanted depletion-mode MOSFET's depart substantially from the usual dose proportional shift of enhancement-mode devices. Analytic expressions for the relationship between threshold voltage shift and implanted donor dose and position are extended to include impurity freezeout at low temperatures, and a simple model for the observed low substrate sensitivity at low temperature is presented. Criteria to avoid parasitic subthreshold conduction in depletion-mode devices are also established using the threshold shift formulation. Copyright © 1979 by The Institute of Electrical and Electronics Engineers, Inc.

Date

01 Jan 1979

Publication

IEEE T-ED

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