hold timing and clock frequency considerations

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for setup requirements i understand.

but what about the hold requirements? skew? and other parameters?

from my understanding, the skew is tailored according to specific clock that defined in the sdc file.

it doesn't matter if we inject lower frequency that specified?

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hold is managed by fitter making sure that clock delay is never more than data delay (unless you gate the clock)

skew and other delays are function of routing/temperature (not clock speed)