Yang-Chatterjee Model

Product Documentation

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

Yang-Chatterjee Model

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Accumulation Region

These equations apply when V_GS – V_BS ≤ V_FB.

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All other capacitances are zero.

Subthreshold Region

These equations apply when V_GS ≤ V_TH.

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All other capacitances are zero.

Saturation Region

These equations apply when V_GS ≥ V_TH and V_DS ≥ V_DSAT.

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All other capacitances are zero.

Triode Region

These equations apply when V_GS ≥ V_TH and V_DS ≤ V_DSAT.

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BSIM Charge Model with 0/100 Partitioning (xpart=1)

This model is the same as the Yang-Chatterjee model.

BSIM Charge Model with 40/60 Partitioning (xpart=0)

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Accumulation Region

These equations apply when V_GS – V_BS ≤ V_FB.

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All other capacitances are zero.

Subthreshold Region

These equations apply when V_GS ≤ V_TH.

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All other capacitances are zero.

Saturation Region

These equations apply when V_GS ≥ V_TH and V_DS ≥ V_DSAT .

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All other capacitances are zero.

Triode Region

These equations apply when V_GS ≥ V_TH and V_DS ≤ V_DSAT.

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BSIM Charge Model with 50/50 Partitioning (xpart=0.5)

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Accumulation Region

These equations apply when V_GS – V_BS ≤ V_FB.

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All other capacitances are zero.

Subthreshold Region

These equations apply when V_GS ≤ V_TH.

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All other capacitances are zero.

Saturation Region

These equations apply when V_GS ≥ V_TH and V_DS ≥ V_DSAT .

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All other capacitances are zero.

Triode Region

These equations apply when V_GS ≥ V_TH and V_DS ≤ V_DSAT.

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Scaling Effects

For scaling effects, see Scaling Factors (scale and scalem).

Related Topics

MOS Capacitance Model

Modified Meyer Model

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