Parallel data skew detecting circuit

Details Parallel data skew detecting circuit Parallel data skew detecting circuit

1998-03-06

2000-06-20

Moise, Emmanuel L.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Skew detection correction

327261, G11B 2020

Patent

active

060790350

ABSTRACT:
A sample signal is sequentially transported through a plurality of serial shift registers in respective data channels. The sample signal varies between a pair of levels, namely a first level and a second level, to resemble a step with respect to time. The shift registers are monitored by a skew detection circuit to identify the shift register that receives the sample signal at the time of a generated timing signal. Data signals are then passed through the recorded shift register while compensating for detected skew in parallel transmission data.

REFERENCES:
patent: 4646297 (1987-02-01), Palmquist et al.
patent: 4833346 (1989-05-01), Marple
patent: 5157530 (1992-10-01), Loeb et al.
patent: 5436908 (1995-07-01), Fluker et al.
patent: 5524218 (1996-06-01), Byers et al.

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