Product Documentation
Spectre Circuit Simulator Components and Device Models Reference
Product Version 23.1, June 2023

Scaling Equations

The drawn channel dimensions are denoted as LDR, WDR (in m) or as LDR,μm, WDR,μm (in μm). The minimum device dimensions for a given technology are LREF, WREF (in m) or as LREF,μm, WREF,μm (in μm).

Effective channel length in μm

where

Effective channel length in m

Effective channel width in μm,

Effective channel width in m

Total oxide capacitance,

Flat-band voltage (which in SPMOS includes reverse short-channel effect if any)

Drift velocity local parameters

Local parameters for the lateral field gradient

and

Mobility model parameter

Mobility model parameter (correction for “non-universality”)

Bias-independent part of the series resistance

Constant used to describe gate bias dependence of the series resistance

Triode-saturation transition variable

Characteristic length of the quai-2D theory

Subthreshold slope parameter

Substrate doping variable

Halo-doping effect parameters

Effective doping


Return to top
 ⠀
X