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Star-Hspice Quick Reference Guide

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Model Analysis Options<br />

Option<br />

RELTOL,<br />

RELV<br />

RISETIME<br />

TRTOL = x<br />

VNTOL = x,<br />

ABSV<br />

AUTOSTOP<br />

BKPSIZ = x<br />

BYPASS<br />

BYTOL = x<br />

FAST<br />

ITLPZ<br />

MBYPASS = x<br />

Description<br />

Sets the relative error tolerance for<br />

voltages<br />

Specifies the smallest risetime of the<br />

signal, .OPTION RISETIME = x.<br />

Used in the local truncation error<br />

timestep algorithm (LVLTIM = 2)<br />

Sets the absolute minimum voltage for<br />

DC and transient analysis.<br />

Stops the transient analysis when all<br />

TRIG-TARG and FIND-WHEN measure<br />

functions are calculated.<br />

Sets the size of the breakpoint table.<br />

Speeds up simulation by not updating the<br />

status of latent devices.<br />

Specifies the tolerance for the voltage at<br />

which a MOSFET, MESFET, JFET,<br />

BJT, or diode is considered latent.<br />

Speeds up simulation by not updating the<br />

status of latent devices.<br />

Sets the pole/zero analysis iteration limit.<br />

Used to compute the default value for the<br />

BYTOL control option<br />

<strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong> 12-17

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