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Electrostatic discharge detection and clamp control circuit

  • US 5,255,146 A
  • Filed: 08/29/1991
  • Issued: 10/19/1993
  • Est. Priority Date: 08/29/1991
  • Status: Expired due to Term
First Claim
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1. A protection circuit utilizable with an integrated circuit for protecting the integrated circuit features from a pulse of electrostatic discharge ("ESD"), the protection circuit comprising:

  • a. switching means connected to the integrated circuit for shunting the ESD pulse away from the integrated circuit features; and

    b. control means connected to the switching means for activating the switching means, said control means including a plurality of detection circuits each responsive to a respective selected waveform characteristic of a typical ESD pulse to activate said switch means.

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