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<p>A custom microprocessor implemented with 1-/spl mu/m bipolar technology operates at 300 MHz and dissipates 115 W. By using full-custom ECL technology, we achieved clock rates three to six times faster than 1-/spl mu/m CMOS processors. We designed this research prototype to develop VLSI ECL circuit techniques, a new style of CAD tools, high-performance chip interfaces, and advanced packaging techniques for high-power microprocessors.</p>

P. Boyle, J. S. Fitch and N. P. Jouppi, "Designing, Packaging, and Testing a 300-MHz, 115 W ECL Microprocessor," in IEEE Micro, vol. 14, no. , pp. 50-58, 1994.
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