High-speed serial linking device with de-emphasis function and the method thereof

  • US 20050018778A1
  • Filed: 05/28/2004
  • Published: 01/27/2005
  • Est. Priority Date: 07/22/2003
  • Status: Active Grant
First Claim
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1. A high-speed serial linking device with de-emphasis function, comprising:

  • a parallel-to-serial unit which receives a parallel data to serialize the parallel data into a serial data and a delayed serial data, wherein the delayed serial data is one serial bit time lag behind the serial data;

    a pre-driver which receives the serial data and the delayed serial data to output a data differential pair according to the serial data and output a delayed-and-inverted differential pair according to the delayed serial data, wherein the delayed-and-inverted differential pair is the inverse of and one serial bit time lag behind the data differential pair; and

    an output driver unit which receives the data differential pair and the delayed-and-inverted differential pair to output a de-emphasized transmission differential pair.

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