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Altera_Forum's avatar
Altera_Forum
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15 years ago

interface stratixIV with an external ultrafast comparator

Hi everybody :) we need to interface ultrafast comparator- ADCMP572 - of analog device to a stratix4 device to perform one bit conversion. we expect that the comparator will ouput very short...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I tried it with a Stratix II GX at 5Gbps. The GX/GT blocks in Stratix IV are similar, so it should work. I would have tried it with Stratix IV but to simulate you need to use ModelSim and I haven't done that yet, I always use the Quartus internal simulator.

In my simulation I may have been lucky to put the few bit values I tested in the right spot, but very probably you can sample any asynchronous data, just like FvM said.