BSIM-CMG Model
BSIM-CMG (Common Multi-Gate) is a compact model for the class of common multi-gate FETs. BSIM-CMG has been implemented in Verilog-A. Physical surface-potential-based formulations are derived for both intrinsic and extrinsic models with finite body doping. The surface potentials at the source and drain ends are solved analytically with poly-depletion and quantum mechanical effects. The effect of finite body doping is captured through a perturbation approach. The analytic surface potential solution agrees with 2D device simulation results well. If the channel doping concentration is low enough to be neglected, computational efficiency can be further improved by setting COREMOD=1. All the important Multi-Gate (MG) transistor behaviors are captured by this model. Volume inversion is included in the solution of Poisson’s equation, hence the subsequent I-V formulation automatically captures the volume inversion effect. Analysis of the electrostatic potential in the body of MG MOSFETs provided the model equation for the short channel effects (SCE). The extra electrostatic control from the end-gates (top/bottom gates) (triple or quadruple-gate) is also captured in the short channel model. See frequently asked questions (FAQ) of BSIM-MG here.
The list of authors for BSIM-CMG can be found here.
Latest Version
BSIM-CMG 112.0.0beta2 (08/03/2024)
Beta Versions
Note: A more recent beta version may be exclusively available to CMC members. Click here for details on CMC membership and how to access the latest beta codes.
- BSIM-CMG 112.0.0beta1 (07/02/2024)
- BSIM-CMG 112.0.0beta0_4 (03/15/2024)
- BSIM-CMG 112.0.0beta0_3 (01/10/2024)
- BSIM-CMG 112.0.0beta0_2 (10/10/2023)
- BSIM-CMG 112.0.0beta0_1 (03/06/2023)
Previous Standard Releases
- BSIM-CMG 111.2.1 (06/06/2022)
- BSIM-CMG 111.2.0 (04/15/2022)
- BSIM-CMG 111.1.0 (01/14/2021)
- BSIM-CMG 111.0.0 (09/12/2019)
- BSIM-CMG 110.0.0 (01/01/2016)
- BSIM-CMG 109.0.0 (11/19/2015)
- BSIM-CMG 108.0.0 (8/22/2014)
- BSIM-CMG 107.0.0 (7/12/2013)
- BSIM-CMG 106.1.0 (9/11/2012)
- BSIM-CMG 106.0.0 (3/1/2012)
Pre-CMC standard versions of BSIM-CMG can be found below. Contact us for passwords if you are interested.