Synchronous circuit controller for controlling data transmission between asynchrous circuit
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
May 7, 1998
filing date -
May 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A synchronous circuit controller includes a delay section for delaying data with a predetermined amount of delay, and outputting corresponding delay data, a latch section for latching each of the data in synchronization with a clock, and outputting latch data, a comparator circuit for comparing the latch data to each other in the ascending order of the amount of delay, detecting matching or non-matching between signals to be compared, and outputting comparison signals corresponding to the detection results, respectively, and a selector circuit for selecting one of the data as synchronous data in response to control of the comparison signal.
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