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Current sense amplifiers, memory devices and methods

  • US 10,236,052 B2
  • Filed: 05/11/2017
  • Issued: 03/19/2019
  • Est. Priority Date: 06/21/2010
  • Status: Active Grant
First Claim
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1. An amplifier, comprising:

  • a first transistor coupled between first and second nodes;

    a second transistor coupled between third and fourth nodes, a control gate of the first transistor being coupled to the third node and a control gate of the second transistor being coupled to the first node;

    a third transistor coupled between the first and third nodes and configured to form a current path between the first and third nodes responsive to a first signal;

    a first enable circuit coupled between a first power source node and the first node and between the first power source node and the third node, the first enable circuit configured to form a current path between the first power source node and the first node and between the first power source node and the third node responsive to a second signal different from the first signal; and

    a second enable circuit coupled between a second power source node and the second node and between the second power source node and the fourth node, the second enable circuit configured to form a current path between the second power source node and the second node and between the second power source node and the fourth node responsive to the second signal.

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