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Superconductor bistable vortex memory for data storage and readout

delete2024-12-19
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OA
AI
M
Mustafa Altay Karamuftuoglu *
R
Razmkhah, S.
U
Ucpinar, B. Z.
M
Massoud Pedram
DOI:10.1088/1361-6668/ad9863delete
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摘要

摘要

En 中文
Despite superconductor electronics (SCE) advantages, the realization of SCE logic faces a significant challenge due to the absence of dense and scalable nonvolatile memory. While various nonvolatile memory technologies, including Non-destructive readout, vortex transitional memory, and magnetic memory, have been explored, designing a dense crossbar array and achieving a superconductor random-access memory remains challenging. This work introduces a novel, nonvolatile, high-density, and scalable vortex-based memory design for SCE logic called bistable vortex memory. Our proposed design addresses scaling issues with an estimated area of 10 x 10 um2 while boasting zero static power with the dynamic energy consumption of 12 aJ for single-bit read and write operations. The current summation capability enables analog operations for in-memory or near-memory computational tasks. We demonstrate the efficacy of our approach with a 32 x 32 superconductor memory array operating at 20 GHz. Additionally, we showcase the accumulation property of the memory through analog simulations conducted on an 8 x 8 superconductor crossbar array.
Keyword:
vortex memory
crossbar memory array
SQUID
superconductor electronics

期刊

Superconductor Science and Technology 封面图
Superconductor Science and Technology
IF:
4.2
论文数:
8.3K
被引数:
1.2W

机构

U
university of southern california
学者数:
4.7W
论文数: 3.8W
被引数: 51
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