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Quartus II Settings File Reference Manual - Altera

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Chapter 6: Fitter Assignments 6–351<br />

T4_DELAY<br />

T4_DELAY<br />

Type<br />

Specifies the propagation delay for T4 Delay Cell (output register to switch mux). This<br />

is an advanced option that should be used only after you have compiled a project,<br />

checked the I/O timing, and determined that the timing is unsatisfactory. For detailed<br />

information on how to use this option, refer to the data sheet for the device family.<br />

This option is ignored if it is applied to anything other than an input or bidirectional<br />

pin.<br />

Integer<br />

Device Support<br />

This setting can be used in projects targeting the following device families:<br />

■ Arria <strong>II</strong> GZ<br />

■ HardCopy <strong>II</strong>I<br />

■ HardCopy IV<br />

■ Stratix <strong>II</strong>I<br />

■ Stratix IV<br />

■ Stratix V<br />

Notes<br />

This assignment supports wildcards.<br />

Syntax<br />

set_instance_assignment -name T4_DELAY -to -entity <br />

<br />

June 2012 <strong>Altera</strong> Corporation <strong>Quartus</strong> <strong>Settings</strong> <strong>File</strong><br />

<strong>Reference</strong> <strong>Manual</strong>

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