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Altera_Forum's avatar
Altera_Forum
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13 years ago

My DDR2 clock lines are too long - ok?

After having laid out my DDR2 PCB traces I discovered that my CK0/CK1 traces are 4.9% too long compared to Altera's recommendation. My DDR2 clock runs at 267 MHz (3,745ps period) and, due to the too ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Okay. I typed in my actual board trace parameters in the HPCII Megawizard screen and the TimeQuest report stated that I have a good slack of some 1.5ns on both setup and hold. This should then be a non-issue and my layout should be fine.

Thanks.