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

Drain and Source Perimeters

The drain and source perimeters are calculated in the order shown in the following equations:

(-1)

(-2)

The ld (length of drain) parameter is an instance parameter that is different from the model parameter ld (lateral diffusion) used in calculating Leff.

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