Altera Corporation

Sriram Muthukumar

Irfan Rahim

Myron Wai Wong

William Bradley Vest

A programmable logic device integrated circuit or other integrated circuit may have logic circuitry that produces data signals. The data signals may be routed to other logic circuits through interconnects. The interconnects may be programmable. A level recovery circuit may be used at the end of each interconnect line to strengthen the transmitted data signal. The level recovery circuit that is attached to a given interconnect line may produce true and complementary versions of the data signal that is on that interconnect line. Level shifting circuitry may be provided to boost the data signals on the interconnects. Each interconnect line may have a level shifter circuit that receives the true and complementary versions of a data signal and that produces corresponding boosted true and complementary versions of the data signal. The boosted signals may be provided to the control inputs of complementary-metal-oxide-semiconductor transistor pass gates in programmable look-up table circuitry.

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San Jose, CA, United States of America

Sriram Muthukumar