I did a little more digging and found these from the founder, Benjamin Vigoda: http://phm.cba.mit.edu/theses/03.07.vigoda.pdf http://phm.cba.mit.edu/theses/03.

I did a little more digging and found these from the founder, Benjamin Vigoda: http://phm.cba.mit.edu/theses/03.07.vigoda.pdf http://phm.cba.mit.edu/theses/03.07.vigoda.pdf (PhD dissertation) http://webcache.googleusercontent.com/search?q=cache:hHev9gIgUy4J:cba.mit.edu/presentations/03.09.Vigoda.ppt+Ben+Vigoda&cd=5&hl=en&ct=clnk&gl=ca http://webcache.googleusercontent.com/search?q=cache:hHev9gI... (overview presentation) It seems that these chips are actually analog. Are the "soft gates" mentioned in the above a synonym for the effects of lowered CMOS voltage?