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Sense amplifier with an integral logic function

  • US 5,034,636 A
  • Filed: 06/04/1990
  • Issued: 07/23/1991
  • Est. Priority Date: 06/04/1990
  • Status: Expired due to Fees
First Claim
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1. A sense amplifier with an integral logic function, comprising:

  • input means, for providing a first difference signal in response to detecting a difference between a first input signal and a second input signal when a control signal coupled thereto is in a predetermined logic state, and for providing a second difference signal in response to detecting a difference between said second input signal and said first input signal when a complement of said control signal is in said predetermined logic state;

    output means coupled to said input means, for providing an output signal in response to said first difference signal or said second difference signal; and

    enabling means coupled to said input means, for enabling the sense amplifier in response to a select signal, comprising;

    a first transistor having a first current electrode coupled to said first difference signal, a control electrode for receiving said select signal, and a second current electrode coupled to said second difference signal; and

    a second transistor having a first current electrode coupled to said input means, a control electrode for receiving said select signal, and a second current electrode coupled to a first power supply voltage terminal.

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