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Home > News > Live from Hot Chips 19: Looking beyond CMOS

August 21st, 2007

Live from Hot Chips 19: Looking beyond CMOS

Abstract:
Williams took the stage next. He says that while the last 40 years were about getting more transistors on a chip, the next 40 years "will be mainly about getting more out of each circuit component"--that is, making better switching devices to replace transistors. Such improvements would not replace CMOS per se, but eventually there'd be nothing left that we recognize from current CMOS process technology.

He pointed to photonics and nanotechnology as possible sources of these improvements. Photonic switches could be better than silicon transistors because they can achieve higher switching bandwidth per unit of power, for example. Nanometer-scale electronic switches, using the electron tunneling effect, have interesting characteristics that may make them good candidates to replace the traditional transistor.

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