High voltage boosted word line supply charge pump and regulator for DRAM

  • US 5,406,523 A
  • Filed: 10/12/1993
  • Issued: 04/11/1995
  • Est. Priority Date: 04/06/1990
  • Status: Expired due to Term
First Claim
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1. A boosted voltage supply comprising:

  • (a) a D.C. voltage supply terminal,(b) first and second capacitors, the first capacitor having one terminal connected to ground and its other terminal to an output terminal,(c) first switching means for directly connecting the second capacitor alternately between the voltage supply terminal and ground and between the output terminal and the voltage supply terminal with one terminal of the second capacitor being switched between the voltage supply terminal and the output terminal,whereby a boosted voltage regulated to the D.C. voltage supply is provided at the output terminal.

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