Radially-increasing core power bus grid architecture

Details Radially-increasing core power bus grid architecture Radially-increasing core power bus grid architecture

1998-09-30

2000-08-29

Hardy, David

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

With contact or lead

257692, 257723, 257666, 257735, H01L 2352, H01L 2348, H01L 2334

Patent

active

061113107

ABSTRACT:
A power bus grid architecture for an integrated circuit including a plurality of main bars assembled along the perimeter of the grid and a plurality of bus bars assembled within the perimeter of the grid. The bus bars are each composed of a plurality of segments with each segment having a substantially constant width. Each segment on certain bus bars has a different width from the next adjacent segment. The width of a particular segment is determined by the distance of the segment from the nearest main power bar. Because the current flow through the segments nearest to the main power bar tends to be greater than the current flow through the segments further from the main power bar, the segments nearest to the main power bar can be made much wider than the segments furthest from the main power bar without significant deleterious effects to the circuit from voltage drops or electromigration.

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