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Circuit and method for converting a pair of input signals into a level-limited output signal

  • US 5,805,505 A
  • Filed: 12/16/1996
  • Issued: 09/08/1998
  • Est. Priority Date: 12/16/1996
  • Status: Expired due to Term
First Claim
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1. A circuit that converts first and second input signals having first and second active levels, respectively, into an output signal, the circuit comprising:

  • first and second input terminals operable to receive said first and second input signals;

    an output terminal operable to provide said output signal;

    first and second drive terminals;

    a first stage that is coupled to said first input terminal, said first drive terminal, and said output terminal, said first stage operable to couple a first impedance between said first drive terminal and said output terminal when said first input signal is at said first active level, said first stage operable to reduce the magnitude of said first impedance for a first predetermined time after said first input signal transitions to said first active level; and

    a second stage that is coupled to said second input terminal, said second drive terminal, and said output terminal, said second stage operable to couple a second impedance between said second drive terminal and said output terminal when said second input signal is at said second active level.

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