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There are a number of technologies that just aren't worth pursuing until the "normal progress" slows down.
I don't know. The field of low-power micro-controllers doesn't really benefit much from scaling, since sleep current increase when decreasing transistor size. And they are relatively simple circuits(with low-cost development) but still a huge market, so it's an ideal place to try a new development methodology.
And yes, some have tried, but it's not being used today, so it probably failed.
The tools are a big obstacle. The industry is built around synchronous design. How are you going to time your circuit? Verify it? Etc.
It's a really big chunk of work to bite off, even with a "little" microcontroller.
We might see it one day, but as best I can tell things like sleep states are still a big focus, as they can save orders of magnitude power, instead of a few percent.
I don't know. The field of low-power micro-controllers doesn't really benefit much from scaling, since sleep current increase when decreasing transistor size. And they are relatively simple circuits(with low-cost development) but still a huge market, so it's an ideal place to try a new development methodology.
And yes, some have tried, but it's not being used today, so it probably failed.