Divider Question

[Tom May]

gstopp at fibermux.com says:

>You can do this with discrete flip-flops and XOR gates, which can be 
>arranged to provide 50/50 symmetry waves for division by any 
>whole-number integer. You guessed it - once again I have stumbled 
>across an article on exactly this in an old issue of Electronotes.

As in using the XOR with one input connected to the input square wave
and the other connected to an RC delayed version of the same wave to
produce pulses on both the negative on positive edges of the input?

[... usage of flip-flops discussed ...]

>Alternately it may be possible to just use one or two cascaded 
>counters and decode the desired division waveforms from the counter 
>states. While this gives you guaranteed synchronization between 
>divider outputs from any starting point and count direction, it may 
>end up being a big mess of 8-input NAND gates and the like.

And a big mess of glitches unless you count in gray code or possibly
include more terms than a Karnaugh-map minimization would have you
believe.

Tom.