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Memory cells, memory cell arrays, methods of using and methods of making

  • US 10,553,281 B2
  • Filed: 07/23/2019
  • Issued: 02/04/2020
  • Est. Priority Date: 09/03/2008
  • Status: Active Grant
First Claim
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1. A semiconductor memory array comprising:

  • a plurality of memory cells arranged in a matrix of rows and columns, wherein at least two of said memory cells each include;

    a capacitorless transistor having a floating body configured to store data as charge therein when power is applied to said memory cell; and

    a nonvolatile memory comprising a resistance change element configured to store data stored in said floating body upon transfer thereto;

    wherein said nonvolatile memory is configured to restore said data to said floating body;

    wherein said restore operation is performable to said at least two of said memory cells in parallel.

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