Chapter 7

The Short Channel MOSFET Model

Kunihiro Suzuki

Abstract

Short channel MOSFET model was presented. The difficulty for the model exists in that depletion width changes along the channel. A universal channel depletion width parameter was proposed, which effectively expresses the channel depletion width variation for various device parameters and bias conditions. Using this parameter, a two-dimensional potential distribution was solved and a corresponding threshold voltage model was derived, which reproduces the numerical data of sub-0.1-m gate length devices. We further extend the model to non-uniform channel doping devices of epi-MOSFETs.

Total Pages: 433-463 (31)

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