Semiconductor integrated circuit including power domains
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United States of America Patent
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May 31, 2011
Grant Date -
Jun 25, 2009
app pub date -
Dec 22, 2008
filing date -
Dec 25, 2007
priority date (Note) -
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Abstract
-PSWN) which can supply a power source for operation to the power domains; a scan chain provided for every power domain, and a memory unit (VEC) which supplies, to a scan chain, a vector to enable shifting to a low-leakage state. By re-coupling the scan chain only to a non-operating functional block, it is possible to perform shifting to a low-leakage state for a short time.
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