Write-Optimized Reliable Design of STT MRAM

Provided by: Association for Computing Machinery
Topic: Storage
Format: PDF
Spin Transfer Torque Magnetic Random Access Memory (STT MRAM) is a promising non-volatile memory due to its out-standing potential for high integration density and excellent scalability. Despite the attractive features, high write cur-rent and power is still a major challenge. As a result, the optimization of the memory for write is critical. In this paper, the authors analyze asymmetric write currents in STT MRAMs considering process variations, and identify a potential for write power reduction.

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