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Systems and methods for integrated circuits comprising multiple body biasing domains

  • US 7,816,742 B1
  • Filed: 04/06/2006
  • Issued: 10/19/2010
  • Est. Priority Date: 09/30/2004
  • Status: Active Grant
First Claim
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1. An integrated circuit including:

  • a first plurality of n-type active devices configured to accept a first n-type body biasing voltage;

    a first plurality of p-type active devices configured to accept a first p-type body biasing voltage;

    a second plurality of n-type active devices configured to accept a second n-type body biasing voltage;

    a second plurality of p-type active devices configured to accept a second p-type body biasing voltage;

    wherein the body terminals of the first plurality of n-type active devices and the body terminals of the first plurality of p-type active devices and the body terminals of the second plurality of n-type active devices and the body terminals of the second plurality of p-type active devices are configured to be electrically isolated from one another;

    wherein the first plurality of n-type active devices and the first plurality of p-type active devices are operable to operate at an increased frequency in response to the first plurality of n-type active devices and the first plurality of p-type active devices receiving body bias compared to an unbiased condition; and

    wherein the second plurality of n-type active devices and the second plurality of p-type active devices are operable to operate at a decreased upper frequency limit in response to the second plurality of n-type active devices and the second plurality of p-type active devices receiving body bias compared to an unbiased condition.

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