Look-up table based logic macro-cells
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United States of America Patent
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Jul 3, 2007
Grant Date -
Feb 15, 2007
app pub date -
Oct 13, 2006
filing date -
Dec 24, 2003
priority date (Note) -
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Abstract
A programmable look up table (LUT) structure of an integrated circuit, comprising: two or more LUT circuits, each said LUT circuit comprising: one or more inputs; and a plurality of LUT values; and at least one output; and a configurable multiplexer (MUX) circuit comprising: a plurality of inputs; and one or more select signals; and one or more outputs; wherein, the output of each said LUT circuit is directly coupled to a said input of the MUX circuit. Said structure further comprising one or more data storage units, each said data storage units comprising a digital output, wherein one or more of: a said MUX circuit input is directly coupled to a said data storage unit digital output.
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