Method and system for deskewing parallel bus channels

Details Method and system for deskewing parallel bus channels Method and system for deskewing parallel bus channels

1997-07-01

2000-02-29

Nguyen, Chau

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

370517, 375371, H04L 702

Patent

active

060318473

ABSTRACT:
The present invention comprises a dynamic skew compensation circuit. The present invention includes a receiver, a plurality of channel inputs built into the receiver, and a delay stack structure coupled to the plurality of channel inputs. The receiver is adapted to accept data from a parallel data transfer cable. The channel inputs couple to each of the individual communications channels which comprise the parallel data transfer cable. The delay stack structure includes a plurality of delay stacks, each coupled to a respective channel input. Each delay stack dynamically selects an additional delay amount for its respective communications channel such that each communications channel of the parallel data transfer cable is deskewed with respect to the others. In so doing, the distances across which data can be received and the speeds at which data is transferred via the parallel data transfer cable is increased.

REFERENCES:
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patent: 5544203 (1996-08-01), Casasanta et al.
patent: 5621774 (1997-04-01), Ishibashi et al.
patent: 5734685 (1998-03-01), Bedell et al.
patent: 5841468 (1998-11-01), Wright
patent: 5844908 (1998-12-01), McCallan

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