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21st International Conference on VLSI Design (VLSI Design 2008)
Single Edge Clock (SEC) Distribution for Improved Latency, Skew, and Jitter Performance
Hyderabad, India
January 04-January 08
ISBN: 0-7695-3083-4
Synchronous clock distribution continues to be the dominant timing methodology for VLSI designs. As processes shrink, clock speeds increase, and die sizes grow, more-and-more of the clock period is lost to skew and jitter budgets. We propose to improve clock performance by focusing on the single, critical clock edge while relaxing requirements of the non-critical edge. A novel re-design of the traditional clock buffer is proposed as a drop-in replacement for existing clock distribution networks, yielding timing performance im- provements of over 20% in latency and skew and up to 30% in jitter; alternatively, these timing advantages could be traded off to reduce clock buffer area and power by 33% and 12%, respectively.
Citation:
Jeff Mueller, Resve Saleh, "Single Edge Clock (SEC) Distribution for Improved Latency, Skew, and Jitter Performance," vlsid, pp.214-219, 21st International Conference on VLSI Design (VLSI Design 2008), 2008
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