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Adaptive programming method for antifuse technology

  • US 5,498,979 A
  • Filed: 09/20/1994
  • Issued: 03/12/1996
  • Est. Priority Date: 09/03/1992
  • Status: Expired due to Term
First Claim
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1. A method of programming a programmable device having interconnect wiring segments and programmable elements which programmably connect said wiring segments to each other, said method comprising the steps of:

  • providing a design in machine readable form, said design comprising connections between selected nodes in said device;

    for each of said connections, selecting active wiring segments and active programmable elements in said programmable device to implement said connection, thereby to form a route for said connection;

    programming at least some of said active programmable elements;

    if during programming any of said active programmable elements fails to become conductive, selecting from those programmable elements not yet programmed an alternative set of programmable elements to complete said connections;

    programming said alternative set of programmable elements, thereby to form an implementation of said design.

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