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Quartus II Settings File Reference Manual - Altera

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Chapter 6: Fitter Assignments 6–211<br />

NDQS_LOCAL_CLOCK_DELAY_CHAIN<br />

NDQS_LOCAL_CLOCK_DELAY_CHAIN<br />

Type<br />

Sets the propagation delay on the NDQS signal to the input register of the target pin.<br />

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

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

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

family. This option is ignored if it is applied to anything other than a DQ or DQS pin.<br />

Integer<br />

Device Support<br />

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

■ Arria GX<br />

■ Arria <strong>II</strong> GX<br />

■ HardCopy <strong>II</strong><br />

■ Stratix <strong>II</strong><br />

■ Stratix <strong>II</strong> GX<br />

Notes<br />

This assignment supports wildcards.<br />

Syntax<br />

set_instance_assignment -name NDQS_LOCAL_CLOCK_DELAY_CHAIN -to -<br />

entity <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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