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IEICE TRANSACTIONS on Information

Energy-Efficient and Highly-Reliable Nonvolatile FPGA Using Self-Terminated Power-Gating Scheme

Daisuke SUZUKI, Takahiro HANYU

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Summary :

An energy-efficient nonvolatile FPGA with assuring highly-reliable backup operation using a self-terminated power-gating scheme is proposed. Since the write current is automatically cut off just after the temporal data in the flip-flop is successfully backed up in the nonvolatile device, the amount of write energy can be minimized with no write failure. Moreover, when the backup operation in a particular cluster is completed, power supply of the cluster is immediately turned off, which minimizes standby energy due to leakage current. In fact, the total amount of energy consumption during the backup operation is reduced by 66% in comparison with that of a conventional worst-case-based approach where the long time write current pulse is used for the reliable write.

Publication
IEICE TRANSACTIONS on Information Vol.E100-D No.8 pp.1618-1624
Publication Date
2017/08/01
Publicized
2017/05/19
Online ISSN
1745-1361
DOI
10.1587/transinf.2016LOP0015
Type of Manuscript
Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category
VLSI Architecture

Authors

Daisuke SUZUKI
  Tohoku University
Takahiro HANYU
  Tohoku University

Keyword