Lattice Semiconductor Corporation

Brian Gaide

Xiaojie He

In one embodiment of the invention, programmable circuits, such as FPGAs, may be used to implement different types of functions, such as a multi-bit adder, using look-up table (LUT) circuits as their building blocks. Efficient generation of carry-out signals and fast-carry generation signals using available SRAM cells in the various embodiments of the LUT circuit can reduce and/or eliminate area-inefficient look-ahead carry logic without a significant delay in signal generation.

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Austin, TX, United States of America

Brian Gaide