Clock distribution using cooperative ring oscillators

Les Hall, Mark Clements, Wentai Liu, Griff Bilbro

研究成果: Paper同行評審

19 引文 斯高帕斯(Scopus)

摘要

This paper presents a new form of integrated ring oscillator, the Cooperative Ring Oscillator (CRO), in which the controllable delay elements are distributed throughout a VLSI chip. Specifically, each stage of the CRO consists of many electrically parallel delay elements that are spatially distributed. The high degree of parallelism in the CRO provides strong signal aggregation that significantly reduces the skew within each clock phase. The CRO performs both clock generation and clock delivery, thus unifying the tasks of the oscillator, clock buffers, and distribution network into a single circuit. The strength of the CRO technique is that it can deliver multiple, low-skew clock phases to all areas of a large VLSI device at a cost in chip resources comparable to that of current single-phase clock distribution techniques. This strength creates the opportunity for system designers to make extensive use of multi-phase logic techniques to improve system performance.

原文English
頁面62-75
頁數14
出版狀態Published - 1997
事件Proceedings of the 1997 17th Conference on Advanced Research in VLSI - Ann Arbor, MI, USA
持續時間: 1997 9月 151997 9月 16

Conference

ConferenceProceedings of the 1997 17th Conference on Advanced Research in VLSI
城市Ann Arbor, MI, USA
期間97-09-1597-09-16

All Science Journal Classification (ASJC) codes

  • 一般工程

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