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Altera_Forum
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10 years ago

Quartus Router Congestion

Hello all, I have a Cyclone V A9 device (300k LEs) and a big design that fit it 95% ALM 12% Memory bits 37% DSP. 14% of ALM are unavailable due to LAB input limits and wide-signals conflicts so...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

What is your clocking setup, and do you have the design constrained properly? Timing constraints that are too tight can cause the tools to work way too hard, duplicate logic, etc.