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System and method for adaptively deskewing parallel data signals relative to a clock

Patent ·
OSTI ID:1175712
A system and method of reducing skew between a plurality of signals transmitted with a transmit clock is described. Skew is detected between the received transmit clock and each of received data signals. Delay is added to the clock or to one or more of the plurality of data signals to compensate for the detected skew. Each of the plurality of delayed signals is compared to a reference signal to detect changes in the skew. The delay added to each of the plurality of delayed signals is updated to adapt to changes in the detected skew.
Research Organization:
Silicon Graphics, Inc., Mountain View, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
Assignee:
Silicon Graphics, Inc.
Patent Number(s):
7,031,420
Application Number:
09/476,678
OSTI ID:
1175712
Country of Publication:
United States
Language:
English

References (3)

Time-domain response of multiconductor transmission lines journal June 1987
A 900 Mb/s bidirectional signaling scheme journal January 1995
110-GB/s simultaneous bidirectional transceiver logic synchronized with a system clock journal January 1999

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