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Programmable glitch filter

  • US 20010048341A1
  • Filed: 05/24/2001
  • Published: 12/06/2001
  • Est. Priority Date: 05/29/2000
  • Status: Active Grant
First Claim
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1. A glitch filter comprising:

  • a storage means for storing a current state, which is the output of the said filter, the output of said storage means is connected to one input of a state comparator and the other input of the said state comparator is connected to the input signal, a programmable clock delay means for any required duration which is independent of technology of implementation, is connected between the said state comparator and said storage means, the arrangement being such that the input signal is stored as the new current state in the said storage means only if the input signal changes and then remains unchanged for the programmed duration.

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