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Altera_Forum
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14 years ago

what is fast input？

What's the meaning of fast input/fast output/fast output enable register? How can I find the information of the conception? I googled, but found nothing... Thank you so much!
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

What is the difference between FAST_OUTPUT_REGISTER and FAST_OUTPUT_ENABLE_REGISTER?

Should they be used simultaneousely or either one of them for Cyclone IV GX with LPM_DFF just before ouput pin?