Article ID: 000078067 Content Type: Troubleshooting Last Reviewed: 01/01/2015

Which I/O pins support Dynamic Delay Chains?

Environment

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Description

Dynamic Delay Chains are only available on I/O pins where the special function is labeled as “DQ/DQS”. You can confirm this in Pin Properties section of the Quartus® II Pin Planner and the pin-out file for the device family.

For example, a PLL (CLKOUT) pin, you are not able to implement the Dynamic Delay Chain on this pin.

Refer to the respective device family handbook to determine if Dynamic Delay Chains are supported.  

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