At 06:41 PM 12/21/96 -0800, Timothy C. May wrote:

And don't forget that internal nodes of microproceessors can be "tapped" with an electron beam voltage contrast system. Some steps can make this much harder, but the principle is still that internal states are capturable. --Tim May

Within the last week or two, I read (somewhere?) of a new system to analyze chip behavior that utilized tiny amounts of light momentarily emitted from FET channels during switching. Jim Bell jimbell@pacifier.com