Semiconductor device
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United States of America Patent
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Dec 31, 2013
Grant Date -
Aug 25, 2011
app pub date -
Jan 13, 2011
filing date -
Feb 18, 2010
priority date (Note) -
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Abstract
A semiconductor device is designed to facilitate analyzing a position and a cause of the failure of an integrated circuit adopting a polyphase clock. To this end, the semiconductor device is provided with an error detecting unit that detects that a problem of the operation occurs in the integrated circuit, a clock state holding unit that holds the information of phases in a predetermined term of a two- or more-phase clock and an output unit that outputs the information of the phases in the predetermined term of the two- or more-phase clock when the error detecting unit detects that the problem of the operation occurs in the integrated circuit.
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