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Altera_Forum
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9 years ago

set_output_delay explained for dummies

Hello. I have tried to wrap my brain around the documentation describing "set_output_delay", but I just don't seem to get it. My brain thinks like this: "Relative to the rising-edge of my ou...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

The simplest way is to use the equation:

set_output_delay -max tSU

set_outpt_delay -min -tH

( minus tH)

This applies when clock and data go together with same delay

what might confuse here is that

for set_input_delay we give offset relative to launch edge

for set_ouput_delay we give offset relative to latch edge