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Transceiver module and integrated circuit with multi-rate eye openers and bypass

  • US 7,567,758 B2
  • Filed: 07/28/2003
  • Issued: 07/28/2009
  • Est. Priority Date: 06/25/2002
  • Status: Active Grant
First Claim
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1. An integrated circuit for use in a transceiver module, the integrated circuit comprising:

  • a first electrical input port for receiving a first serial electrical data stream;

    receiver eye opener circuitry for retiming and reshaping the first serial electrical data stream;

    a first electrical output port for transmitting the retimed and reshaped first serial electrical data stream to external to the integrated circuit;

    receiver bypass circuitry for switchably selecting, based on a data rate of the first electrical data stream, a bypass data path from the first electrical input port to the first electrical output port to bypass retiming and reshaping of the first serial electrical data stream;

    a second electrical input port for receiving a second serial electrical data stream from external to the integrated circuit;

    transmitter eye opener circuitry for retiming and reshaping the second serial electrical data stream; and

    a second electrical output port for transmitting the retimed and reshaped second serial electrical data stream.

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