Affiliation:
1. Department of Electrical Engineering, School of Internet of Things (IoTs), Institute of Advanced Technology, Jiangnan University , Wuxi 214122, China
Abstract
In this paper, the magnetic immunity model of STT-MRAM is established. The influence of the external magnetic field on the effective energy barrier of STT-MRAM is investigated, which is the crucial issue to influence the reliability of STT-MRAM cells in the standby, active read and active write modes. The influence factors on the magnetic immunity of STT-MRAM array are also discussed in the paper, such as the electrode, package material, insert layer and array spacing, etc. Moreover, the magnetic shield models in the BGA and QFP packages are designed and analyzed for the enhancement of the magnetic immunity of STT-MRAM, whose shielding efficiency is up to 98.2%.
Funder
National Natural Science Foundation of China
Subject
General Physics and Astronomy
Cited by
3 articles.
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