Importance

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Abstract

Circuits for fanning out data in a self-timed integrated circuit. An exemplary integrated circuit includes a plurality of interconnected logic blocks, each including a logic circuit and an output circuit. The output circuit has a first data input coupled to a first output of the logic circuit, a second data input coupled to a second output of the logic circuit, and a data output coupled to a first output of the logic block. The data output reflects a value on the first data input. The output circuit is programmably coupled, in one of a plurality of operating modes, to provide an output token only when the first data input is accompanied by a first token indicating valid new data on the first data input. The output circuit is further programmably coupled to consume, when the output token is provided, both the first token and a second token accompanying the second data input.

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First Claim