BSIM3 Study notes 2

Source: Internet
Author: User

Threshold Voltage Model

The Vth has three operating areas for device operation:

Vg>>vth in strong inversion region, drift current is dominant.

Vg<<vth in weak inversion region, diffusion current is dominant.

Vg≈vth in moderate inversion, both drift and diffusion current is important.

Ps:drift Drift; diffusion diffusion

Drift is the movement of the electric field, and diffusion is driven by the concentration difference.

  1. Threshold voltage model for long channel devices
  2. Threshold voltage model for short channel devices
  3. Narrow Width Effect Model
  4. Threshold Voltage Model in bsim3v3

BSIM3 Study notes 2

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