A 28 nm High-k/MG Heterogeneous Multi-Core Mobile Application Processor With 2 GHz Cores and Low-Power 1 GHz Cores

This paper presents power management and low power techniques of our heterogeneous quad/octa-core mobile application processor (AP). This AP has a combination of high-performance 2 GHz cores and energy-efficient 1 GHz cores. The maximum performance in the octa-core configuration is 35,600 DMIPS. The...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2015-01, Vol.50 (1), p.92-101
Hauptverfasser:	Igarashi, Mitsuhiko, Uemura, Toshifumi, Mori, Ryo, Kishibe, Hiroshi, Nagayama, Midori, Taniguchi, Masaaki, Wakahara, Kohei, Saito, Toshiharu, Fujigaya, Masaki, Fukuoka, Kazuki, Nii, Koji, Kataoka, Takeshi, Hattori, Toshihiro
Format:	Artikel
Sprache:	eng
Schlagworte:	28 nm adaptive voltage scaling (AVS) Central Processing Unit Clocks dynamic frequency scaling (DFS) H-tree clock structure heterogeneous CPU architecture Leakage currents Mobile communication multi-Lg multi-Vt Random access memory thermal control technique Threshold voltage Voltage control
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