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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

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A 4 input LUT isn't that powerful: it only enables you to decode one of the 16 squares in the corresponding Karnaugh map.

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I don't follow you there. A 4 input LUT allows you implement all 16 squares in an arbitrary Karnaugh map which makes them very powerful and is why FPGAs are full of them.