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Star-Hspice Quick Reference Guide

Star-Hspice Quick Reference Guide

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BJT Element<br />

Substrate Parameters - Level 504<br />

Parameters Unit Default Description<br />

PS - 0.34 *Collector-substrate<br />

grading coefficient<br />

VGS V 1.2 Bandgap voltage of the<br />

substrate<br />

AS - 1.58 For a closed buried<br />

layer: AS=AC<br />

For an open buried<br />

layer: AS=AEPI<br />

Self-Heating Parameters - Level 504<br />

Parameters Unit Default Description<br />

RTH ^C/W 300.0 Thermal resistance<br />

CTH J/^C 3.0e-9 *Thermal capacitance<br />

LEVEL 8 HiCUM Model<br />

See “LEVEL 8 HiCUM Model” in the <strong>Star</strong>-<strong>Hspice</strong> Manual.<br />

Model Parameters<br />

Parameter Unit Default Description<br />

7-28 <strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong>

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