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Star-Hspice Quick Reference Guide

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Model Analysis Options<br />

Option<br />

DEFNRD<br />

DEFNRS<br />

DEFPD<br />

DEFPS<br />

DEFW<br />

SCALM<br />

WL<br />

Description<br />

Default value for the number of squares for<br />

the drain resistor on a MOSFET.<br />

Default value for the number of squares for<br />

the source resistor on a MOSFET.<br />

Default value for MOSFET drain diode<br />

perimeter.<br />

Default value for MOSFET source diode<br />

perimeter.<br />

Default value for MOSFET channel width.<br />

Model scaling factor.<br />

This option changes the order of specifying<br />

MOS element VSIZE from the default<br />

order length-width to width-length.<br />

See “MOSFET Control Options” in the <strong>Star</strong>-<strong>Hspice</strong> Manual.<br />

DC Solution Control Options<br />

Option<br />

Description<br />

ABSH = x<br />

ABSI = x<br />

Sets the absolute current change through<br />

voltage defined branches (voltage sources<br />

and inductors).<br />

Sets the absolute branch current error<br />

tolerance in diodes, BJTs, and JFETs<br />

during DC and transient analysis.<br />

<strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong> 12-9

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