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by Symmetry
5530 days ago
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Oh, I think I get what your confusion is now. The signal doesn't have to travel up and over now any more than it did when everything was flat. The signal will travel up a few gate widths to the low resistance metal interconnect layers, travel a few tens or hundreds of gate widths sideways to get to the next transistor, then goes down again to make the connection. Going to 3D doesn't change this except to make the up and down slightly longer and sideways much shorter. |
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