Valid data strobe detection technique

Details Valid data strobe detection technique Valid data strobe detection technique

2006-02-21

2006-02-21

Dang, Khanh (Department: 2181)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

Reexamination Certificate

active

07002378

ABSTRACT:
A valid data strobe detection technique detects a valid data strobe contained within a strobe signal by first determining whether a measured voltage level of the strobe signal is above or below a preselected threshold level. A time period in which the measured voltage level is continuously one of either above or below the preselected threshold level is then measured and a valid data strobe is detected upon the measured time period being greater than a preselected period of time. A comparator may be used to determine whether the measured voltage level of the strobe signal is above or below the preselected threshold level and a sample and hold unit may be used to measure the time period in which the strobe signal is one of either above or below the preselected threshold level.

REFERENCES:
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patent: 6456544 (2002-09-01), Zumkehr
patent: 6512704 (2003-01-01), Wu et al.
patent: 6529993 (2003-03-01), Rogers et al.
patent: 6570791 (2003-05-01), Roobparvar et al.

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