45nm low power CMOS logic compatible embedded STT MRAM utilizing a reverse-connection 1T/1MTJ cell. Lin, C. J., Kang, S. H., Wang, Y. J., Lee, K., Zhu, X., Chen, W. C., Li, X., Hsu, W. N., Kao, Y. C., Liu, M. T., Chen, W. C., Lin, Y., Nowak, M., Yu, N., & Tran, L. In 2009 IEEE International Electron Devices Meeting (IEDM), pages 1–4, December, 2009. doi abstract bibtex This paper reports a 45 nm spin-transfer-torque (STT) MRAM embedded into a standard CMOS logic platform that employs low-power (LP) transistors and Cu/low-k BEOL. We believe that this is the first-ever demonstration of embedded STT MRAM that is fully compatible with the 45 nm logic technology. To ensure the switching margin, a novel "reverse-connection" 1T/1MT cell has been developed with a cell size of 0.1026 ¿m2. This cell is utilized to build embedded memory macros up to 32 Mbits in density. Device attributes and design windows have been examined by considering PVT variations to secure operating margins. Promising early reliability data on endurance, read disturb, and thermal stability have been obtained.
@inproceedings{lin_45nm_2009,
title = {45nm low power {CMOS} logic compatible embedded {STT} {MRAM} utilizing a reverse-connection 1T/1MTJ cell},
doi = {10.1109/IEDM.2009.5424368},
abstract = {This paper reports a 45 nm spin-transfer-torque (STT) MRAM embedded into a standard CMOS logic platform that employs low-power (LP) transistors and Cu/low-k BEOL. We believe that this is the first-ever demonstration of embedded STT MRAM that is fully compatible with the 45 nm logic technology. To ensure the switching margin, a novel "reverse-connection" 1T/1MT cell has been developed with a cell size of 0.1026 ¿m2. This cell is utilized to build embedded memory macros up to 32 Mbits in density. Device attributes and design windows have been examined by considering PVT variations to secure operating margins. Promising early reliability data on endurance, read disturb, and thermal stability have been obtained.},
booktitle = {2009 {IEEE} {International} {Electron} {Devices} {Meeting} ({IEDM})},
author = {Lin, C. J. and Kang, S. H. and Wang, Y. J. and Lee, K. and Zhu, X. and Chen, W. C. and Li, X. and Hsu, W. N. and Kao, Y. C. and Liu, M. T. and Chen, W. C. and Lin, YiChing and Nowak, M. and Yu, N. and Tran, Luan},
month = dec,
year = {2009},
pages = {1--4}
}
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