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Digital circuits having improved transistors, and methods therefor

  • US 9,184,750 B1
  • Filed: 05/10/2013
  • Issued: 11/10/2015
  • Est. Priority Date: 02/18/2011
  • Status: Active Grant
First Claim
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1. A logic circuit coupled to receive a plurality of input signals, comprising:

  • a plurality of transistors having controllable current paths coupled between a first logic node and a second logic node, the transistors configured to selectively couple an output node to the first or second logic node in response to at least one input signal, at least one transistor having a gate with a gate oxide atop a substantially undoped channel region formed over a relatively highly doped screen layer formed over a doped body region, the at least one transistor having a sufficiently strong body coefficient so that a bias voltage can be effectively applied to the body of the at least one transistor, the highly doped screen layer defining a depletion depth when a voltage is applied to the gate;

    wherein pairs of said plurality of transistors are of complementary conductivity types, each transistor of a pair having a gate having a selected work function; and

    wherein said logic circuit comprises a digital logic functionality.

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