Magnetic Random Access Memory Jonathan Rennie, Darren Smith.

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Presentation transcript:

Magnetic Random Access Memory Jonathan Rennie, Darren Smith

Applications Replace computer memory Instant boot devices No memory loss due to power loss Extended battery life

Benefits fast speedcheapdensenon-volatile consume low power no need to refresh FLASH √ √ SRAM √ √ DRAM √√ MRAM √√√√√√

Funding Government Military IBM – R&D Multiple universities

Magnetic Tunneling Junction Principles of operation

MRAM 1MTJ Cell

Other MRAM Configurations Square device is unstable, other geometries considered: rectangle, hexagon, disk, ellipse

Constructing MRAM Tunneling layer integrity and thickness Resistance of MTJ increases as dimensions decrease

QUESTIONS Are you still awake?