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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
Icon for Honored Contributor rankHonored Contributor
15 years ago

Thanks for that.

In my simulation of your file, the only one that doesn't glitch is output q3 which is the same as my solution above. It is the only version that only combines a maximum of three signals together where as all the others are four or more. Maybe this is the limiting factor? More experiment is needed I think.