Impact of ultra low power and fast write operation of advanced perpendicular MTJ on power reduction for high-performance mobile CPU

@article{Kitagawa2012ImpactOU,
  title={Impact of ultra low power and fast write operation of advanced perpendicular MTJ on power reduction for high-performance mobile CPU},
  author={E. Kitagawa and Shinobu Fujita and Kumiko Nomura and Hiroki Noguchi and Keiko Abe and Kazutaka Ikegami and Tadaomi Daibou and Yushi Kato and Chikayoshi Kamata and Saori Kashiwada and Naoharu Shimomura and Junichi Ito and Hiroaki Yoda},
  journal={2012 International Electron Devices Meeting},
  year={2012},
  pages={29.4.1-29.4.4}
}
We demonstrated lower power consumption of mobile CPU by replacing high-performance (HP)-SRAMs with spin transfer torque (STT)-MRAMs using perpendicular (p)-MTJ. The key points that enable the low power consumption are adapting run time power gating architecture (shown in Fig. 1), and satisfying both fast and low-power writing, namely, 3 nsec and 0.09 pJ, of p-MTJ cell (shown in Fig. 3). As shown in Table 1, only our developed p-MTJ has achieved 3 nsec, 0.09 pJ. Thanks to the fast and low-power… CONTINUE READING
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