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Star-Hspice Quick Reference Guide

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MOSFET Element Statement<br />

Capacitance Model Parameters<br />

Name (Alias) Unit Default Description<br />

CBD F 0 Zero bias bulk-drain<br />

junction capacitance<br />

CBS F 0 Zero bias bulk-source<br />

junction capacitance<br />

CJ (CDB,<br />

CSB, CJA)<br />

CJSW<br />

(CJP)<br />

F/m 2 579.11<br />

µF/m 2<br />

Zero-bias bulk junction<br />

capacitance<br />

F/m 0 Zero-bias sidewall<br />

bulk junction<br />

capacitance<br />

CJGATE F/m CJSW Only for ACM=3,<br />

sidewall facing gate<br />

FC - 0.5 Forward-bias depletion<br />

capacitance coefficient<br />

(not used)<br />

MJ (EXA,<br />

EXJ, EXS,<br />

EXD)<br />

MJSW<br />

(EXP)<br />

NSUB<br />

(DNB, NB)<br />

PB (PHA,<br />

PHS, PHD)<br />

- 0.5 Bulk junction grading<br />

coefficient<br />

- 0.33 Bulk sidewall junction<br />

grading coefficient<br />

1/cm 3 1e15 Substrate doping<br />

V 0.8 Bulk junction contact<br />

potential<br />

<strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong> 9-5

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