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Twin memory cell interconnection structure

  • US 9,941,012 B2
  • Filed: 03/08/2017
  • Issued: 04/10/2018
  • Est. Priority Date: 05/11/2015
  • Status: Active Grant
First Claim
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1. A non-volatile memory, comprising:

  • a first twin pair of memory cells, the first twin pair including first and second memory cells arranged in a first column, the first and second memory cells each including a respective selection transistor and a respective floating gate transistor, the selection transistors of the first twin pair having respective gate terminals coupled to one another;

    a second twin pair of memory cells, the second twin pair including third and fourth memory cells arranged in a second column, the third memory cell being adjacent to the first memory cell, the fourth memory cell being adjacent to the second memory cell, the third and fourth memory cells each including a respective selection transistor and a respective floating gate transistor, the selection transistors of the second twin pair having respective gate terminals coupled to one another;

    a first bitline coupled to a conduction terminal of the floating gate transistor of the first memory cell;

    a second bitline coupled to a conduction terminal of the floating gate transistor of the second memory cell;

    a third bitline coupled to a conduction terminal of the floating gate transistor of the third memory cell;

    a fourth bitline coupled to a conduction terminal of the floating gate transistor of the fourth memory cell, the first, second, third, and fourth bitlines being different from one another; and

    a first word line coupled to the gate terminals of the selection transistors of the first and second twin pairs.

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