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Semiconductor device having electrically floating body transistor, semiconductor device having both volatile and non-volatile functionality and method of operating

  • US 9,747,983 B2
  • Filed: 02/17/2017
  • Issued: 08/29/2017
  • Est. Priority Date: 02/07/2010
  • Status: Active Grant
First Claim
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1. A semiconductor memory array comprising a plurality of semiconductor memory cells arranged in a plurality of rows and a plurality of columns, each said semiconductor memory cell comprising:

  • a substrate;

    a floating body region configured to store volatile memory;

    a stacked gate nonvolatile memory comprising a floating gate adjacent said substrate and a control gate adjacent said floating gate such that said floating gate is positioned between said control gate and said substrate; and

    a select gate positioned adjacent said substrate and said floating gate.

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