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EnglishThis paper evaluates the potential of spin-transfer torque magnetic random-access memories (STT-MRAMs) operating at cryogenic temperatures. Our study was carried out at both circuit and architecture levels by exploiting experimental magnetic tunnel junction (MTJ) data and a CMOS technology that was fully characterized down to 77K. As a main result of our analysis, we show that for medium to large sized cache architectures, STT-MRAMs outperform their six-transistor static random access memory (6T-SRAM) counterparts at 77K in terms of both dynamic and static (leakage) power as well as read access latency, only underperforming in terms of write latency. For an 8MB STT-MRAM cache, the read latency is improved by 2 along with a reduction of 45% and 30% in read and write energy, respectively, as compared to an SRAM implementation.
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| Titolo: | Exploiting STT-MRAMs for Cryogenic Non-Volatile Cache Applications | |
| Autori: | ||
| Data di pubblicazione: | 2021 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/20.500.11770/313694 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/20.500.11770/313694
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