Power gate switch architecture
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United States of America Patent
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Jul 28, 2015
Grant Date -
May 28, 2015
app pub date -
May 1, 2014
filing date -
Nov 27, 2013
priority date (Note) -
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Abstract
Inventive aspects include a method, apparatus, and system for reducing power switch cells in MTCMOS circuits. Such may include disposing columns of real and virtual power straps orthogonally over rows of logic cells. A first power switch cell can be disposed over a real and a virtual power strap in a first column, and collinear with a first row of logic cells. A second power switch cell can be disposed over a real a virtual power strap in a second column, and collinear with a fifth row of logic cells. A third power switch cell can be disposed over a real a virtual power strap in a third column, and collinear with a third row of logic cells. A fourth power switch cell can be disposed over a real a virtual power strap in a fourth column, and collinear with a seventh row of logic cells.
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