Antifuse-based programmable logic circuit
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United States of America Patent
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-
Jan 23, 1996
Grant Date -
N/A
app pub date -
Sep 29, 1994
filing date -
Sep 29, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A programmable interconnect is provided that includes a first plurality of lines, a second plurality of lines, and means for connecting one of the first plurality of lines to one of the second plurality of lines, wherein the means for connecting includes an antifuse and a diode. The diode in this configuration performs the equivalent logical function as an AND gate. Programing the antifuse determines the diode-AND gate function performed. In this manner, a programmable interconnect array in accordance with the present invention, formed using standard fabrication processes, provides an area-efficient implementation of a wide AND functionality.
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