Logic absorption techniques for programmable logic devices

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United States of America Patent

PATENT NO 9390210
APP PUB NO 20150347642A1
SERIAL NO

14509564

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Abstract

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Various techniques are provided to efficiently implement user designs in programmable logic devices (PLDs). In one example, a computer-implemented method includes receiving a design identifying operations to be performed by a programmable logic device (PLD). The computer-implemented method also includes synthesizing the design into a plurality of PLD components comprising a first logic block cascaded into a second logic block. In the computer-implemented method, the second logic block implements a multiplexer adapted to selectively pass a first multi-bit input signal received from the first logic block or a second multi-bit input signal. The computer-implemented method also includes further synthesizing the design to absorb the multiplexer into the first logic block.

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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
Chatterjee, Nilanjan Cupertino, US 3 13
Rajappan, Venkatesan Fremont, US 5 8
Tandyala, Mohan San Jose, US 4 11

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