Composite wire indexing for programmable logic devices

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United States of America Patent

PATENT NO 7788623
SERIAL NO

11947662

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Abstract

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Various techniques are described to identify composite wires from segmented wires of a programmable logic device (PLD). In one example, a method includes identifying a plurality of interface templates corresponding to tiles of the PLD. The PLD comprises a plurality of segmented wires arranged in a plurality of tiles. Each interface template corresponds to at least two adjacent tiles of the PLD and identifies connections between segmented wires of the corresponding adjacent tiles. The method also includes associating the segmented wires of the PLD with a plurality of wire index values based on the connections identified by the interface templates. The method further includes identifying a plurality of composite wires according to the wire index values. Each composite wire comprises a set of the segmented wires associated with a corresponding one of the wire index values. The composite wires are adapted to interconnect programmable logic blocks of the PLD.

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Patent Owner(s)

Patent OwnerAddress
LATTICE SEMICONDUCTOR CORPORATION5555 NE MOORE CT HILLSBORO OR 97124

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Toshikazu San Jose, US 33 636
Kang, Byung-Kyoo Cupertino, US 4 3
Zhou, Guanqun San Ramon, US 4 2

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