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Universal power supply monitor circuit

  • US 4,980,791 A
  • Filed: 02/05/1990
  • Issued: 12/25/1990
  • Est. Priority Date: 02/05/1990
  • Status: Expired due to Term
First Claim
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1. A power supply monitor circuit for operating in a plurality of modes, comprising:

  • means coupled to first and second inputs of the monitor circuit for sensing the voltage levels applied thereat;

    reference means for generating a reference voltage at a first output; and

    programming means coupled to said means and being responsive to a signal applied at a third input of the monitor circuit for providing the selection of said plurality of modes and for providing second and third output signals at respective outputs of the monitor circuit which are a function of the voltage levels appearing at said first and second inputs.

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