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MRAM crossbar based configurable logic block

  • Yahya Lakys*
  • , Weisheng Zhao
  • , Jacques Olivier Klein
  • , Claude Chappert
  • *Corresponding author for this work
  • Université Paris-Saclay

Research output: Contribution to conferencePaperpeer-review

Abstract

Spintronics-based non-volatile storage devices promise great potential to be integrated in reconfigurable circuits to overcome the major hurdles related to conventional flash and SRAM memories, such as low logic density, high standby power and long (re) boot latency. In this paper, we describe a compact design of configurable logic block based on Magnetic RAM (MRAM) crossbar architecture. The logic density can be increased greatly ( 5 times) compared to conventional designs; the standby power can be nearly zero thanks to the non-volatility of MRAM. Its high speed and power efficiency (10.4 Tera-OPS/Watt in computing mode) are also demonstrated through mixed CMOS/Magnetic spice simulations. Fully dynamic reconfiguration through context switching is also studied, which could be achieved with low area overhead.

Original languageEnglish
Pages2945-2948
Number of pages4
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 - Seoul, Korea, Republic of
Duration: 20 May 201223 May 2012

Conference

Conference2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012
Country/TerritoryKorea, Republic of
CitySeoul
Period20/05/1223/05/12

Keywords

  • Context switching
  • Crossbar architecture
  • MRAM
  • MTJ
  • Non-Volatile
  • Spintronics

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