DRAM may be replaced with MRAM..
- Thread starter gman97005
- Start date
- May 18, 2007
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They have been talking about MRAM for about a decade. I'm still having a hard time imagining how they could manage to constrain magnetic fields in smaller areas than DRAM constrains electrical charges. AFAIK, current MRAM cells are still over 100nm across to prevent writes to one cell from toggling other nearby bits, which makes them over 100X larger than DRAM cells... not really practical much beyond CMOS or other similar low-density memories often used to hold configuration or small amounts of frequently rewritten data.
They might manage to reduce MRAM cell size by 10X or so by their 2018 deadline, which may make it economically viable as SSD/HDD cache, L4 cache, CPU state save for deep-sleep, etc. where persistence through power-down is more valuable than density.
They might manage to reduce MRAM cell size by 10X or so by their 2018 deadline, which may make it economically viable as SSD/HDD cache, L4 cache, CPU state save for deep-sleep, etc. where persistence through power-down is more valuable than density.
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