Digital switching technique for detecting data

Details Digital switching technique for detecting data Digital switching technique for detecting data

2005-09-13

2005-09-13

Le, Thong Q. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S189050

Reexamination Certificate

active

06944079

ABSTRACT:
The present technique relates to a method and apparatus for detecting a change in a data signal at a buffer device. In the buffer device, first stage comparators may be adapted to receive a data signal and either a first voltage timing reference (VTR) signal or a complimentary VTR signal. The first stage comparators may each deliver an output signal to second stage comparators. Each of the second stage comparators receives the output signal from each of the first stage comparators. From the first stage comparator signals, the second stage comparators produce an output signal, such as a first output signal and a second output signal. These output signals from the second stage comparators are differential signals.

REFERENCES:
patent: 5373473 (1994-12-01), Okumura
patent: 6005816 (1999-12-01), Manning et al.
patent: 6356487 (2002-03-01), Merritt
patent: 6430606 (2002-08-01), Haq
patent: 6483347 (2002-11-01), Baker
patent: 6513080 (2003-01-01), Haq
JAZiO, Inc., “JAZiO High Speed Digital I/O Signal Switching Technology”, Published Jul. 20, 2000.

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