Data transfer timing signal apparatus and method of data

Details Data transfer timing signal apparatus and method of data Data transfer timing signal apparatus and method of data

2006-03-14

2006-03-14

Du, Thuan (Department: 2116)

Electrical computers and digital processing systems: support

Clock, pulse, or timing signal generation or analysis

Multiple or variable intervals or frequencies

C713S600000

Reexamination Certificate

active

07013405

ABSTRACT:
In a data transfer device, a selector selects one of delayed clocks 0 to 3, according to random numbers generated by a random number generating circuit. Output from an output terminal of the selector is an output clock whose timing of transition to a HIGH level or a LOW level is randomly changed. Timing to switch output data to be output from each of flip-flops is also randomly changed. As a result, an energy density at some frequency of electromagnetic wave radiated from a signal lines is not raised, so that radiant noises and crosstalk between signals may be reduced.

REFERENCES:
patent: 6144242 (2000-11-01), Jeong et al.
patent: 6169889 (2001-01-01), Servilio et al.
patent: 6263082 (2001-07-01), Ishimoto et al.
patent: 6353906 (2002-03-01), Smith et al.
patent: 11290535 (1999-10-01), None

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