cpld needs a external Oscillator ?

Question

i use cpld as combinational logic.the circuits don't need Oscillator.so if i don't connect a external Oscillator to cpld,can it work normally?

moreover,can internal oscillator be used as general clock?

altera_forum · Answer

As long as you do not use registers like a DFF, you do not need any clock.

But be aware that using pure combinatorial logic output could mean that there are glitches or spikes due to different combinatorial delays.

I assume you talk about the MaxII device, then have a look at

it should be possible to use the internal oscilator.

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