Model Parameter Extraction
Model parameters ? total of 23 parameters
- Eleven (11) for threshold voltage (Vt)
- Three (3) for mobility (meff)
- One (1) for bulk-charge factor (Ab)
- Two (2) for S/D series resistance (Rsd)
- One (1) for CLM (VAeff)
Compact model Ids = f(Ldrawn, Vgs, Vds, Vbs) ? closed-form, one-region equation
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- One (1) for subthreshold current roll-off (Voff)
- Two (2) for edge-leakage current (Vv0, We0)
- One (1) for diode-leakage current (Is0)
- At each Ldrawn: Vtsat(Vb0), Vtsat(Vbb), Vt0(Vbb) @ Icrit; Idsat @ Vgs = Vds = Vdd
- One-iteration extraction ? 11 steps
- Necessary data for parameter extraction ? N Ids - Vgs sweeps (@Vd0, Vb0), one Ids - Vgs sweep (@L?, Vdd, Vb0), one Ids - Vgs sweep (@L0, Vdd, Vb0), one Ids - Vgs sweep (@Lm, Vd0, Vbb), plus (4N + 2) point (I, V) measurements
- At each Ldrawn: Ids - Vgs @ Vd0, Vb0 ? extract Icrit@Vt0
- At L?: Ids - Vgs @ Vdd, Vb0
- At L0: Ids - Vgs @ Vb0, Vd0/Vdd
- At Lm: Ids - Vgs @ Vd0, Vbb