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Non-volatile flip-flop circuit

  • US 6,222,765 B1
  • Filed: 02/18/2000
  • Issued: 04/24/2001
  • Est. Priority Date: 02/18/2000
  • Status: Active Grant
First Claim
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1. A non-volatile flip-flop circuit comprising:

  • a volatile flip-flop having a bit signal and an inverse bit signal;

    a first and a second non-volatile cell, each having a first terminal and a second terminal with a channel therebetween, a floating gate over a first portion of said channel, and a portion of said second terminal and a control gate over a second portion of said channel;

    a first switch for supplying said bit signal to said first terminal of said first cell and said inverse bit signal to said first terminal of said second cell;

    a second switch for supplying said bit signal to said first terminal of said second cell and said inverse bit signal to said first terminal of said first cell;

    first means for supplying a first voltage to said second terminal of said first and second cells; and

    second means for supplying a second voltage to said control gate of said first and second cells.

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