Understanding Hold Time Violaitons

[CHami2]

I inherited a quartus design for the first time and am trying to resolve a number of timing violations.

The timing report is flagging a hold time violations in red but I'm not comprehending what exactly its telling me. Specifically the "Hold Summary" report under "Timing Analyzer".

I expect timing violations to have source clock/signal and destination clock/signal but this report only has a single column for "clock".

So what am I looking at and what am I missing?

[KhaiChein_Y_Intel]

Hi CHami2,

Hopefully this helps:

Timing Analyzer Quick-Start Tutorial: https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_tq_tutorial.pdf

Intel® Quartus® Prime Timing Analyzer Cookbook: https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/manual/mnl_timequest_cookbook.pdf

Introduction to Timing Analyzer(Pro Edition): https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug-qpp-timing-analyzer.pdf

Introduction to Timing Analyzer(Standard Edition): https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug-qps-timing-analyzer.pdf

Thanks.