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

Component Statements

This device is supported within altergroups.

Instance Parameters

m=1.0

Multiplicity factor.

isnoisy=yes

Should device generate noise. Possible values are yes and no.

dtemp=0.0 C

alias of trise.

trise=0.0 C

Difference sim. temp and device temp.

temp=(-9.9999e-99) C

Device temp (only used if Trise is zero.

Model Parameters

type=n

Channel type parameter, n=NFET p=PFET. Possible values are n and p.

noise=1

Globally disable noise.

noimod=0

Noise model (0=def, 1=PRC).

selft=0

Flag for self-heating.

idsmod=0

Ids Current Model [0:1].

igmod=0

Select gate diode model [0:1].

capmod=2

Select cap model [0:2].

ipk0=0.05 A

Current for max. transconductance Ipk.

vpks=(-0.2) V

Gate voltage Vpk for max transconductance.

dvpks=0.2 V

Delta gate voltage at peak gm.

p1=1.0 1/V

Polynomial coeff P1 for channel current.

p2=0.0 1/V2

Polynomial coeff P2 for channel current.

p3=0.0 1/V3

Polynomial coeff P3 for channel current.

alphar=0.1 1/V

Saturation parameter alpha_r.

alphas=1.0 1/V

Saturation parameter alpha.

vkn=0.8 V

Knee voltage.

lambda=0.0

Channel length modulation parameter.

lambda1=0.0

Channel length modulation parameter.

lvg=0.0

Coeff for channel length modulation parameter

b1=0.0

Unsaturated coeff B1 for P1.

b2=3.0 1/V

Saturated coeff B2 for P1.

lsb0=0.0

Soft breakdown model parameter.

vtr=20.0 V

Soft breakdown model parameter.

vsb2=0.0 V

Surface breakdown model parameter.

cds=0 F

Zero-bias D-S junction capacitance.

cgspi=0.0 F

Gate-source pinch-off capacitance.

cgs0=0.0 F

Gate-source capacitance parameter.

cgdpi=0.0 F

Gate-drain pinch-off capacitance.

cgdpe=0 F

External G-D Capacitor.

cgd0=0.0 F

Gate-drain capacitance parameter Cgdo.

p10=0.0

Polynomial coeff P10 for capacitance.

p11=1.0

Polynomial coeff P11 for capacitance.

p20=0.0

Polynomial coeff P20 for capacitance.

p21=0.2

Polynomial coeff P21 for capacitance.

p30=0.0

Polynomial coeff P30 for capacitance.

p31=0.2

Polynomial coeff P31 for capacitance.

p40=0.0

Polynomial coeff P40 for capacitance.

p41=1.0

Polynomial coeff P41 for capacitance.

p111=0.0

Polynomial coeff P400 for capacitance.

ij=0.00005 A

Gate fwd saturation current.

pg=(-(-9.9999e-99)

Gate current parameter.

ne=(-(-9.9999e-99))

Gate p-n emission coeff.

vjg=0.7 V

Gate current parm.

rg=0.0

Gate ohmic resistance.

rd=0.0

Drain ohmic resistance.

ri=0.0

Input resistance.

rs=0.0

Source ohmic resistance.

rgd=0

Gate resistance.

ld=0 H

Drain ohmic inductance.

ls=0 H

Source ohmic inductance.

lg=0 H

Gate ohmic inductance.

tau=0 s

Device delay.

rcmin=1.0e3

Minimum value of Rc.

rc=10.0e3

R for freq dep output cond.

crf=0.0 F

C for freq dep output cond.

rcin=100.0e3

R for freq dep input cond.

crfin=0.0 F

C for freq dep input cond.

rtherm=0.0

Alias of rth.

rth=0.0

Thermal resistance.

ctherm=0.0

Alias of cth.

cth=0.0 F

Thermal capacitance.

tcipk0=0.0 A/K

Linear temp coef TIpk for Ipk.

tcp1=0.0 A/K

Linear temp coef TIpk for Ipk.

tccgs0=0.0

Linear temp coef Cgs0 parm.

tccgd0=0.0

Linear temp coef Cgd0 parm.

tclsb0=0.0

Linear temp coef Lsb0 parm.

tcrc=0.0

Linear temp coef Rc parm.

tccrf=0.0

Linear temp coef Crf parm.

noiser=0.5

Gate noise coeff.

noisep=1.0

Gate noise coeff.

noisec=0.9

Gate-drain noise coeff.

fnc=0.0 Hz

Noise corner freq.

kf=0.0

Flicker noise coeff.

af=1.0

Flicker noise exponent.

ffe=1.0

Flicker noise parameter.

tg=25.0 C

Gate equiv temp.

td=25.0 C

Drain equiv temp.

td1=0.1 C

Drain equiv temp.

tmn=1.0

Noise fitting coeff.

klf=1.0e14

Flicker noise exponent.

fgr=60.0e3 Hz

G-R freq corner.

np=0.3

Flicker noise freq exp.

lw=0.1 mm

Effective gate noise width.

tnom=(-9.9999e-99) C

Parameters measurement temperature.

version=2.3

The available version is 2.30(2.3.0).

ma_mod=0

Flag to turn on Ma model.

trise=0.0 C

Temperature rise from ambient alias of dtemp. It serves as the default value of instance trise.

Output Parameters

tempeff (C)

Effective temperature for a single device.

meff

Effective multiplicity factor (m-factor).

Operating-Point Parameters

ids (A)

Drain current.

igs (A)

Gate-source current.

igd (A)

Gate-drain current.

dTjunc (C)

Delta T.

Cgssim (F)

Gate-source capacitance.

Cgdsim (F)

Gate-drain capacitance.

pwr (W)

Power at op point.

Related Topics

Angelov Model

Model Equations

Release History and Version

Model Usage


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