Calculating interconnect swizzling patterns for capacitive...

Details Calculating interconnect swizzling patterns for capacitive... Calculating interconnect swizzling patterns for capacitive...

2005-08-02

2005-08-02

Whitmore, Stacy A. (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000

Reexamination Certificate

active

06925620

ABSTRACT:
Disclosed herein are swizzling techniques that may provide capacitive and inductive noise cancellation on a set of signal lines. Positive noise due to a capacitive coupling between attacker signal lines and near victim signal lines is, in part, cancelled by negative noise due to inductive coupling between the attacker signal lines and a far victim signal line. Swizzling patterns and repeatable swizzling patterns are computed to transpose near victim signal lines and far victim signal lines in subsequent segments to facilitate the capacitive and inductive cancellation. The signal lines are optionally reordered by computing a final swizzling to restore the set's original ordering.

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Zhong et al., “A Twisted-Bundle Layout Structure for Minimizing Inductive Coupling Noise”, International Conference on Computer Aided Design, Nov. 5-9, 2000.

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