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Circuits and devices for generating bi-directional body bias voltages, and methods therefor

  • US 8,970,289 B1
  • Filed: 01/22/2013
  • Issued: 03/03/2015
  • Est. Priority Date: 01/23/2012
  • Status: Active Grant
First Claim
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1. An integrated circuit device, comprising:

  • at least a first bi-directional biasing circuit that includesa first substrate portion containing a plurality of first transistors;

    a first control digital-to-analog converter (DAC) to generate any of a plurality of first target values in response to a first target code;

    a first detect circuit configured to generate a difference value between the first target values and a first limit value; and

    at least a first charge pump circuit configured to drive the first substrate portion between a forward body bias voltage and a reverse body bias voltage for the first transistors in response to the first target values.

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