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Generating reference currents compensated for process variation in non-volatile memories

  • US 7,675,792 B2
  • Filed: 09/26/2007
  • Issued: 03/09/2010
  • Est. Priority Date: 09/26/2007
  • Status: Active Grant
First Claim
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1. A current reference generator comprising:

  • a voltage reference generator stage to generate a reference voltage;

    an active element output stage coupled to receive said reference voltage and output a reference current as a function of said reference voltage; and

    a control stage operatively coupled to said voltage reference generator stage to control a first trimmable parameter associated with said voltage reference generator stage and a second trimmable parameter associated to said active element output stage to compensate for changes in a value of said reference current due to manufacturing process deviations, said control stage to trim said first trimmable parameter to set a temperature coefficient of said active element output stage at a desired value.

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