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Field-programmable gate arrays FPGAs using antifuses in a segmented channel routing architecture now offer the digital logic capabilities of an gate conventional gate array and system speeds of MHz. A brief survey of antifuse technologies is provided. Some inherent tradeoffs involving the antifuse characteristics, routing architecture and logic module are illustrated. Article :.
Date of Publication: July DOI: Sponsored by: IEEE. Need Help?
Design Security in Nonvolatile Flash and Antifuse FPGAs
An antifuse is an electrical device that performs the opposite function to a fuse. Whereas a fuse starts with a low resistance and is designed to permanently break an electrically conductive path typically when the current through the path exceeds a specified limit , an antifuse starts with a high resistance, and programming it converts it into a permanent electrically conductive path typically when the voltage across the antifuse exceeds a certain level. This technology has many applications. Antifuses are best known for their use in mini-light or miniature style low-voltage Christmas tree lights.
Antifuse Programmed FPGAs
Other Legacy devices listed may still be in full production, but there may be available pin-compatible, functionally-equivalent alternatives using more recent manufacturing processes. In this case, Microsemi recommends customers use the more recent Microsemi devices. For packaging information, go to the Packaging Solutions Page. All stocks have been exhausted, and these products are no longer available from Microsemi. EX device packages not mentioned above are available for current designs. SX-A device packages not mentioned above are available for current designs.
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QuickLogic Low Power Antifuse FPGA families