AC power loss and signal coupling in very large scale integration backend interconnects

C. C. Chen*, H. L. Kao, C. C. Liao, Albert Chin, Sean P. Mcalister, C. C. Chi

*Corresponding author for this work

研究成果: Article

摘要

Both the coupling and AC power losses in integrated circuit interconnects in the radio-frequency regime have been measured. The AC power loss decreases with decreasing length, decreasing spacing, and increasing inter metal dielectric (IMD) thickness of parallel metal lines. The unwanted signal coupling and cross-talk monotonically decrease with increasing spacing and decreasing length of the parallel metal lines. However, increasing the IMD thickness from 0.7 to 6 μm improves the low frequency performance but not the maximum operation frequency. Using a high-resistivity Si (HRS) substrate the AC power loss is significantly reduced but is traded off with an increase in coupling loss. The most effective method of reducing both the AC power and coupling losses is the combined use of three dimensional (3D) integration and an HRS, which gives larger than 1-2 orders of magnitude improvement, up to 20 GHz.

原文English
頁(從 - 到)2992-2996
頁數5
期刊Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
45
發行號4 B
DOIs
出版狀態Published - 25 四月 2006

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