BSIM is short for Berkeley short-channel IGFET (insulated gate FET) model. This is the beginning of a long line of BSIM models used mostly in IC design.
The set of instance parameters is the same as in the level 1 model.
BSIM models are designed for use with a process characterization system. Therefore, model parameters have no default values. Omitting a parameter is considered to be an error. A more detailed description of the model parameters can be found in .
BSIM models have many parameters. See Table 3.59. These parameters are usually unimportant to an IC designer, as they are extracted at the foundry which supplies the models for the devices that are created by its manufacturing processes. IC designers focus mostly on choosing the device geometry and circuit layout.
BSIM1 instances have no instance properties calculated by the simulator. The set of internal nodes is the same as in level 1 MOSFETs. BSIM1 instances have no noise contributions.