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Altera_Forum
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15 years ago

Multiplexer Output Glitching

Hi all, I'm having trouble multiplexing a number of signals without the output glitching. The following 4 to 1 multiplexer with all the inputs connected to 1 shows the issue: module mult...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Interesting. I'm using Quartus 10.0 and Model Sim Altera SE.

I'm up on async logic which is why I have issues with the way that the altera gear is working. Async logic relies on the basic building blocks not glitching when a single input changes state. It means that you can't use gray coding and other tricks to ensure correct operation which is worrying me.