>Why?  Can't the ALU do anything it wants, as long as you ignore its
>outputs?  If you're using old TTL (Is there an HC181?), the power
>dissipation won't change much anyway...

Depending on how glitchy whatever is at the inputs, the outputs may not
settle in time under certain conditions. This is why a synchronous
pipeline is probably the best way to do it.

Peter

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