Lane-to-lane skew reduction in multi-channel, high-speed,...

Details Lane-to-lane skew reduction in multi-channel, high-speed,... Lane-to-lane skew reduction in multi-channel, high-speed,...

2005-08-24

2011-12-20

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Transmitters

C375S257000, C375S219000

Reexamination Certificate

active

08081706

ABSTRACT:
Controllable delay circuitry is included in each channel of multi-channel, high-speed, serial transmitter and/or receiver circuitry to compensate for or to at least help compensate for possible skew (different signal propagation time) between the various channels. In systems employing CDR circuitry, the delay circuitry may be at least partly controlled by a signal derived from the CDR circuitry to make the amount of delay effected by the delay circuitry at least partly responsive to changes in data rate detected by the CDR circuitry.

REFERENCES:
patent: 6526112 (2003-02-01), Lai
patent: 6675327 (2004-01-01), Mobin et al.
patent: 2002/0009169 (2002-01-01), Watanabe
patent: 2004/0228636 (2004-11-01), Pathak et al.
patent: 2006/0256909 (2006-11-01), On et al.
patent: 1 408 611 (2004-04-01), None
patent: WO 02/054648 (2002-07-01), None

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