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Issue No.02 - March-April (2013 vol.33)
pp: 28-36
Gregory Ruhl , Intel
Surhud Khare , Intel
ABSTRACT
Designing a microprocessor that's efficient across a wide-voltage-operating range requires overcoming a variety of microarchitecture and circuit design challenges. In this article, the authors demonstrate their IA-32 processor, which is built in 32-nm CMOS technology, which can operate efficiently between 280 mV and 1.2 V. They also discuss some of the circuit and methodology challenges that they overcame.
INDEX TERMS
Microprocessors, Voltage control, Threshold voltage, Logic gates, CMOS integrated circuits, Computer architecture, pentium, wide-voltage-range computing, near-threshold voltage, NTV, synthesis, timing
CITATION
Gregory Ruhl, Saurabh Dighe, Shailendra Jain, Surhud Khare, Sriram R. Vangal, "IA-32 Processor with a Wide-Voltage-Operating Range in 32-nm CMOS", IEEE Micro, vol.33, no. 2, pp. 28-36, March-April 2013, doi:10.1109/MM.2013.8
REFERENCES
1. J. Li and J.F. Martinez, "Dynamic Power-Performance Adaptation of Parallel Computation on Chip Multiprocessors," Proc. 12th Int'l Symp. High-Performance Computer Architecture, IEEE, 2006, pp. 77-87.
2. C.-H. Jan et al., "A 32nm SoC Platform Technology with 2nd Generation High-k/Metal Gate Transistors Optimized for Ultra Low Power, High Performance, and High Density Product Applications," Proc. IEEE Int'l Electron Devices Meeting, IEEE, 2009, pp. 1-4.
3. J. Schutz, "A 3.3V 0.6um BiCMOS Superscalar Microprocessor," Proc. IEEE Int'l Solid-State Circuits Conf., IEEE, 1994, pp. 202-203.
4. S. Jain et al., "A 280mV-to-1.2V Wide-Operating-Range IA-32 Processor in 32nm CMOS," Proc. IEEE Int'l Solid-State Circuits Conf., IEEE, 2012, pp. 66-68.
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