说明片上自电感和互感的重要性

A. Lopez, D. Deschacht
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引用次数: 5

摘要

片上布线的传输线特性需要考虑,因为遇到了很长的长度和快速上升时间。本文通过考虑两种并联耦合互连的配置,一种是两个驱动器在同一侧,另一种是驱动器在相反方向,展示了片上自电感和互感对时序性能的影响。当电流在同一方向流动时所观察到的差异与电流在相反方向流动时所观察到的差异清楚地表明互感的影响。忽略电感效应的第二次比较显示输出开关延迟的差异率高达50%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Illustration of the importance of on-chip self and mutual inductances
Transmission line properties of on-chip wiring need to be taken into account due to the great lengths and fast rise times encountered. In this paper, we show the influence of on-chip self and mutual inductances on timing performances by considering two configurations of parallel coupled interconnects, one with both drivers on the same side, and on the other with the drivers in opposite directions. The differences observed, when the currents in the lines flow in the same direction as opposed to the cases when the currents are in opposite directions shows clearly the influence of mutual inductance. A second comparison ignoring inductive effects shows a discrepancy rate reaching as high as 50% for the output switching delay.
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