| 摘要 |
In accordance with an embodiment, a substrate layout comprises a ground plane of a first power loop on a layer of a substrate, a first trace rail on the layer extending along a first periphery of the ground plane, and a first perpendicular trace coupled to the first trace rail. The ground plane is between the first trace rail and a die area, and the first perpendicular trace extends perpendicularly from the first trace rail. The first trace rail and the first perpendicular trace are components of a second power loop.
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