Asynch Design Challenge

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It's a serial topic in electronic forums (and in job interviews, too). You can e.g. search edaboard.com for "divide by 3".

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Ah, that must have been how I came across it the first time (it would have been a while ago :oops:)

Links:

http://www.edaboard.com/thread48149.html

http://www.edaboard.com/thread87765.html

http://bbs.weeqoo.com/forum/download..._made_easy.pdf (http://bbs.weeqoo.com/forum/downloadfile.aspx?fu=uploadfile%2f2008%2f10%2f28%2f200810282151774.pdf&fillname=clock_dividers_made_easy.pdf)

It does appear to be a popular subject.

Interestingly, my solution differs from those seen so far as it doesn't use any latches at all.