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ISSCC 2016Session 7 · NONVOLATILE MEMORY SOLUTIONSMemory

A Resistance-Drift Compensation Scheme to Reduce MLC PCM Raw BER by Over 100× for Storage-Class Memory Applications

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📋 论文概要

该论文提出了一种电阻漂移补偿(RDC)方案,用于降低多级单元相变存储器(MLC PCM)的原始误码率。实验结果表明,该方案可将原始误码率降低超过100倍,适用于存储级内存应用。

💡 主要创新点

核心指标
原始误码率降低超过100倍
重要性
发表年份
ISSCC 2016

🏷 关键词

相变存储器多级单元电阻漂移补偿原始误码率存储级内存

📄 原文摘要

Tzu-Hsiang Su1,3, Keng-Hao Yang3, Tien-Fu Chen3, Tien-Yen Wang1, Hsiang-Pang Li1, Matthew BrightSky4, SangBum Kim4, Hsiang-Lam Lung1, Chung Lam4 Macronix International, Hsinchu, Taiwan, National Tsing Hua University, Hsinchu, Taiwan, 3 National Chiao Tung University, Hsinchu, Taiwan, 4 IBM T. J. Watson Reseach Center, Yorktown Heights, NY 1 Figure 7.3.3 demonstrates the measured impact of RDC pulses on drifted and unchanged PCM cells. The experiment first programs PCM cells to six different resistance levels (Rinit[5:0]) using ISPP by RESET. The cells are then rested for a period of time (TP2R) before measuring the cell resistance by sweeping the twostep RDC pulse current amplitude (IRDC). When TP2R<1s, RDC pulse impact is minimal because the cells have not yet drifted significantly. However, when TP2R>5000s, a prominent R-drift compensation phenomenon is observed with IRDC between 80 and 120AU. The drifted cells are able to return to their original Rinit

👥 作者与机构

Win-San Khwa1,2, Meng-Fan Chang2, Jau-Yi Wu1, Ming-Hsiu Lee1,

分类:Memory · 年份:ISSCC 2016