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Power supply tracking regulator for a memory array

  • US 5,268,871 A
  • Filed: 10/03/1991
  • Issued: 12/07/1993
  • Est. Priority Date: 10/03/1991
  • Status: Expired due to Fees
First Claim
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1. Voltage supply circuitry for a plurality of word line drivers of a memory array, each driver being connected so as to control one of a plurality of word lines in said array, and each of said drivers having a first input and a second input, said voltage supply circuitry including:

  • first means for supplying a first voltage to said first inputs of said plurality of word line drivers;

    second means for supplying a second voltage to said second inputs of said word line drivers; and

    means for regulating said second voltage supplying means such that a voltage difference between said first voltage and said second voltage supplied to said word line drivers is substantially constant when said first voltage changes above a predefined transition point.

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