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Magnetic Random Access Memory Jonathan Rennie, Darren Smith.

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Presentation on theme: "Magnetic Random Access Memory Jonathan Rennie, Darren Smith."— Presentation transcript:

1 Magnetic Random Access Memory Jonathan Rennie, Darren Smith

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

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

4 Funding Government Military IBM – R&D Multiple universities

5 Magnetic Tunneling Junction Principles of operation

6 MRAM 1MTJ Cell

7

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

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

10 QUESTIONS Are you still awake?

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