IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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20GHz uniform-phase uniform-amplitude standing-wave clock distribution
Mitsuru ShiozakiMamoru SasakiAtsushi MoriAtsushi IwataHiroaki Ikeda
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2006 Volume 3 Issue 2 Pages 11-16

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Abstract

This paper presents a new standing-wave clock distribution scheme utilizing an inductor loading technique. The scheme can distribute multi-ten GHz uniform-phase/amplitude global clocks over a whole chip. By loading an adequate inductor, the grid pitch can be made finer than that for the conventional standing-wave technique, and clock frequency can be designed to be independent of the grid pitch. We designed a 20GHz 6 x 6 grid clock distribution network using a 0.18µm CMOS technology. For all 36 clocks, low skew less than 1.3% of the clock period and low amplitude deviation of 2% were obtained from circuit simulation.

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© 2006 by The Institute of Electronics, Information and Communication Engineers
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