Integration of Spin-RAM technology in FPGA circuits

W. Zhao, E. Belhaire, Q. Mistral, E. Nicolle, T. Devolder, C. Chappert
<span title="">2006</span> <i title="IEEE"> 2006 8th International Conference on Solid-State and Integrated Circuit Technology Proceedings </i> &nbsp;
In this paper, we propose a new non-volatile FPGA circuit based on Spin-RAM technology (Spin Transfer Torque Magnetisation Switching RAM), new generation of MRAM (Magnetic RAM). This Spin-RAM based FPGA circuit could process securely the information in low power dissipation and high speed; meanwhile all the data processed are stored permanently in the distributed Spin-RAM memory. In this non-volatile FPGA design, MTJs (Magnetic Tunnel Junction) are used as storage elements. Contrary to
more &raquo; ... nal MRAM circuits we don't use a complex sense amplifier, but a simple SRAM based sense amplifier couples two MTJs per bit. The non-volatility of Spin-RAM allows the dynamical configuration of FPGA circuits and the start-up time of circuit can be decreased up to some hundred pico seconds. As conventional MRAM, the MTJs of Spin-RAM will be on the semiconductor surface; therefore the circuit die area will not be enlarged comparing with the conventional FPGA.
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