Method of producing balanced data output

Details Method of producing balanced data output Method of producing balanced data output

2008-07-22

2008-07-22

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By pulse coincidence

C327S294000, C327S292000

Reexamination Certificate

active

11114130

ABSTRACT:
Strobe signals are coupled to a phase detector which compares rising and falling edges of the respective strobe signals. If the phase detector determines that there is a mismatch, it outputs an UP or DOWN control signal to a control circuit. The control circuit then transmits the UP or DOWN control signal to edge adjusting circuits connected to each strobe and data stream between the flip flop and pre-driver. The edge adjusting then adds a delay to each respective strobe and data stream which incrementally compensates for the mismatch created by PVT variations. The process is repeated until the high and low data outputs are effectively matched, thereby maximizing the data eye.

REFERENCES:
patent: 2006/0244505 (2006-11-01), Fung et al.
patent: 11015553 (1997-06-01), None
patent: 02000035831 (2000-02-01), None

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