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An offset-cancelling four-phase voltage sense amplifier for resistive memories in 14nm CMOS

Author(s)
Biswas, Avishek; Arslan, Umut; Hamzaoglu, Fatih; Chandrakasan, Anantha P
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DownloadCICC2017_manuscript.pdf (1.588Mb)
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Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/
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Abstract
This paper presents a low-offset read sensing scheme for resistive memories. Due to increasing device variations in sub-32 nm CMOS processes, it becomes very challenging to design a high yield and low-offset read-sensing scheme. In this work we address these issues by using a pseudo-differential sensing scheme to get 2× signal margin and by full offset cancellation of the sense-amplifier, making it more suitable to tolerate variation from the memory array due to storage device resistance variation. Measurement results show the sense-amplifier can work with a 20mV input, which makes it ideal for small-signal sensing for resistive memories.
Date issued
2017-07
URI
https://hdl.handle.net/1721.1/122465
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
IEEE Custom Integrated Circuits Conference (CICC)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Biswas, Avishek et al. "An offset-cancelling four-phase voltage sense amplifier for resistive memories in 14nm CMOS." IEEE Custom Integrated Circuits Conference (CICC), April-May 2017, Austin, Texas, USA, IEEE Custom Integrated Circuits Conference (CICC), July 2017. © 2017 IEEE
Version: Author's final manuscript
ISBN
9781509051915
ISSN
2152-3630

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