Importance

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Abstract

The present invention relates to electronic integrated circuits (ICs) that retain identical functionality with better performance or lower power dissipation under RAM and hard-wire ROM fabrication options, without the need to alter transistor layout within the IC. An integrated circuit (IC) comprising: a plurality of transistors; and a first selectable fabrication option comprised of a user configurable memory circuit; and a second selectable fabrication option comprised of a hard-wired circuit in lieu of said user configurable memory circuit; wherein, the IC functionality and performance is determined by the configuration memory data in the first fabrication option, and wherein the identical configuration is hard-wired in the second fabrication option without altering the location of transistors within the IC. Such a programmable to hard-wire conversion provides a significant IC cost reduction, performance improvement and power dissipation reduction at minimal NRE cost and improved reliability.

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First Claim