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Semiconductor Device and RFID Tag Using the Semiconductor Device

  • US 20100085030A1
  • Filed: 10/01/2009
  • Published: 04/08/2010
  • Est. Priority Date: 10/02/2008
  • Status: Active Grant
First Claim
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1. A semiconductor device comprising:

  • a first terminal to which a reference potential is applied;

    a second terminal to which an input potential is applied;

    a first voltage divider which includes a plurality of first nonlinear elements provided between the first terminal and the second terminal and at least one linear element, and outputs a first bias potential divided by the plurality of the first nonlinear elements and the at least one linear element;

    a second voltage divider which includes a plurality of second nonlinear elements provided between the first terminal and the second terminal, and outputs a second bias potential divided by the plurality of the second nonlinear elements based on the first bias potential; and

    a voltage regulator that determines and outputs a constant output potential regardless of a voltage between the reference potential and the input potential after the second bias potential exceeds a threshold voltage thereof.

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