Passive multi-input comparator for orthogonal codes on a multi-wire bus
摘要:
Methods and systems are described for receiving a plurality of signals via a plurality of wires of a multi-wire bus, the plurality of signals corresponding to symbols of a codeword of a vector signaling code, generating, using an interconnected resistor network connected to the plurality of wires of the multi-wire bus, a plurality of combinations of the symbols of the codeword of the vector signaling code on a plurality of output nodes, the plurality of output nodes including a plurality of pairs of sub-channel output nodes associated with respective sub-channels of a plurality of sub-channels, and generating a plurality of sub-channel outputs using a plurality of differential transistor pairs, each differential transistor pair of the plurality of differential transistor pairs connected to a respective pair of sub-channel output nodes of the plurality of pairs of sub-channel output nodes.
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