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Technology and design challenges for low power and high performance [microprocessors]

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2 Author(s)
De, V. ; MicroComput., Hillsboro, OR, USA ; Borkar, S.

We discuss key barriers to continued scaling of supply voltage and technology for microprocessors to achieve low-power and high-performance. In particular, we focus on short-channel effects, device parameter variations, excessive subthreshold and gate oxide leakage, as the main obstacles dictated by fundamental device physics. Functionality of special circuits in the presence of high leakage, SRAM cell stability, bit line delay scaling, and power consumption in clocks and interconnects, will be the primary design challenges in the future. Soft error rate control and power delivery pose additional challenges. All of these problems are further compounded by the rapidly escalating complexity of microprocessor designs. The excessive leakage problem is particularly severe for battery-operated, high-performance microprocessors.

Published in:

Low Power Electronics and Design, 1999. Proceedings. 1999 International Symposium on

Date of Conference:

17-17 Aug. 1999

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