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Programmable array logic self-checking system

  • US 5,090,015 A
  • Filed: 02/06/1989
  • Issued: 02/18/1992
  • Est. Priority Date: 02/06/1989
  • Status: Expired due to Fees
First Claim
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1. A self checking electronic erasable programmable array logic (EEPAL) comprising:

  • input means for receiving an algorithm, a predetermined error detection code and data;

    programmable array means coupled to the input means for storing and executing the algorithm;

    error detection code storage means coupled to the programmable array means for storing the predetermined error detection code;

    error detection means coupled to the programmable array means and to the error detection code storage means for detecting programming and storage errors of the programmable array means and for detecting programming and storage errors of the error detection storage means during programming, after completion of programming, and prior to execution of the algorithm; and

    error signal means coupled to the error detection means for signaling an error.

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