Stub vs. capacitor for power supply noise reduction

被引：2

作者：

Nakura, T ^{[1
]}

Ikeda, M

Asada, K

机构：

[1] Univ Tokyo, Dept Elect Engn, Tokyo 1138656, Japan

[2] Univ Tokyo, VLSI Design & Educ Ctr, Tokyo 1138656, Japan

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2005年 / E88C卷 / 01期

关键词：

stub; decoupling capacitor; power supply noise; di/dt noise; IR drop;

D O I：

10.1093/ietele/E88-C.1.125

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper compares a stub and a decoupling capacitor for power supply noise reduction. A quarter-length stub attached to the power supply line of an LSI chip works as a band-eliminate filter, and suppresses the power supply bounce of the designed frequency. The conditions where the stub is more effective than the same-area decoupling capacitor are clarified. The stub will work more efficiently and on-chip integration will be possible on high frequency operation LSIs.

引用

页码：125 / 132

页数：8

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