Evaluation of Design for Reliability Techniques in Embedded Flash Memories

B. Godard, J. Daga, L. Torres, G. Sassatelli
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引用次数: 7

Abstract

Nonvolatile flash memories are becoming more and more popular in systems-on-chip (SoC). Embedded flash (eFlash) memories are based on the well-known floating-gate transistor concept. The reliability of such type of technology is a growing up issue for embedded systems; endurance and retention are of course the main features to analyze. To enhance memory reliability current eFlash memories designs use techniques such as error correction code (ECC), redundancy or threshold voltage (VT ) analysis. In this paper, a memory model to evaluate the reliability of eFlash memory arrays under distinct enhancement schemes is developed
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嵌入式快闪记忆体可靠性技术设计评估
非易失性闪存在片上系统(SoC)中越来越受欢迎。嵌入式闪存(eFlash)存储器基于众所周知的浮栅晶体管概念。对于嵌入式系统来说,这种技术的可靠性是一个日益增长的问题;耐久性和留存率当然是需要分析的主要特征。为了提高存储器的可靠性,目前的eFlash存储器设计使用诸如纠错码(ECC)、冗余或阈值电压(VT)分析等技术。本文建立了一个存储模型来评估不同增强方案下eFlash存储阵列的可靠性
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