FPGA CLE with two independent carry chains
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 22, 2000
Issued Date -
N/A
app pub date -
May 13, 1999
filing date -
Feb 26, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The invention provides an FPGA comprising an array of identical tiles. Each tile comprises a logic block that includes a Configurable Logic Element (CLE). In one embodiment, the CLE is implemented in two similar portions called 'slices'. Each slice has a separate carry chain. In a CLE with four function generators, each carry chain incorporates the outputs of two function generators.
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