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

Component Statements

Instance Parameters

area=1.0 m^2

Junction area.

trise=0 C

Temperature rise from ambient.

Model Parameters

Junction hsmdiode model parameters

compatible=spectre

Spice compatible flag. Possible values are spectre, spice2, spice3, cdsspice, spiceplus, eldo, sspice, and mica.

js0=5.0e-7 A/m^2

Saturation current.

eg0=1.1785 V

Band gap.

nj=1

Emission coefficient.

vdiffj=0.6e-3 V

Diode threshold voltage.

cj=5.0e-4 F/m^2

Bottom junction capacitance per unit area at zero bias.

pb=1.0 V

Bottom junction build-in potential.

mj=0.5

Bottom junction capacitance grading coefficient.

divx=0.0 1/V

Reverse current coefficient.

tautran=5.0e-8 s

Transit time.

taurec=1.0e-9 s

Recovery time.

Parasitic resistance parameters

rs=0 ohmm^2

Series resistance per unit area.

rsv1=0 1/C

Voltage dependence for the resistance.

rsv2=0 C^-2

Voltage dependence for the resistance.

rsi1=0 1/C

Current dependence for the resistance.

rsi2=0 C^-2

Current dependence for the resistance.

Temperature effects parameters

tnom (C)  

Parameters measurement temperature. Default set by `options'.

bgtmp1=90.25e-6 1/C

Temperature dependence of bandgap.

bgtmp2=1.0e-7 C^-2

Temperature dependence of bandgap.

rst1=0 1/C  

Temperature dependence for the resistance.

rst2=0 C^-2  

Temperature dependence for the resistance.

tcjbd=0 1/C  

Temperature dependence of hsmdiode capacitance.

xti=2  

Temperature coefficient for forward-current densities.

Operating Point Parameters

vd (V)  

Diode voltage.

id (A)  

Diode current.

gd (S)  

Diode conductance.

cd (F)  

Diode capacitance.

rdio (Ohm)  

Diode equivalent resistance.

charge (Coul)  

Diode capacitor charge.

p (W)  

Diode power.

region  

Estimated operating region. Spectre generates output number (0-2) in a rawfile. Possible values are off and on.

Related Topics

HiSIM_Diode Model (hisim_diode)

Model Usage


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