Noise analysis of a current-mode read circuit for sensing magnetic tunnel junction resistance

Michael J. Hall; Viktor Gruev; Roger D. Chamberlain

doi:10.1109/ISCAS.2011.5937938

Noise analysis of a current-mode read circuit for sensing magnetic tunnel junction resistance

Michael J. Hall, Viktor Gruev, Roger D. Chamberlain

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Magnetologic circuits are digital logic circuits constructed using magnetic tunnel junction (MTJ) devices. These devices are non-volatile, robust, and scale favorably with process dimensions. Several approaches exist for building magnetologic circuits. We are investigating current-mode magnetologic circuits as a viable option. Current-mode circuits avoid charging/ discharging load capacitances and can be used to program a downstream device. Noise in a current-mode read circuit can affect the ability to correctly distinguish logic states in an MTJ. In this paper, we present a noise analysis of a current-mode read circuit or current conveyor. We derive analytical noise equations and verify them via simulation.

Original language	English (US)
Title of host publication	2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011
Pages	1816-1819
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2011.5937938
State	Published - Aug 2 2011
Externally published	Yes
Event	2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011 - Rio de Janeiro, Brazil Duration: May 15 2011 → May 18 2011

Publication series

Name	Proceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)	0271-4310

Other

Other	2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011
Country/Territory	Brazil
City	Rio de Janeiro
Period	5/15/11 → 5/18/11

ASJC Scopus subject areas

Electrical and Electronic Engineering

Online availability

10.1109/ISCAS.2011.5937938

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Noise analysis of a current-mode read circuit for sensing magnetic tunnel junction resistance. / Hall, Michael J.; Gruev, Viktor; Chamberlain, Roger D.

2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011. 2011. p. 1816-1819 5937938 (Proceedings - IEEE International Symposium on Circuits and Systems).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hall, MJ, Gruev, V & Chamberlain, RD 2011, Noise analysis of a current-mode read circuit for sensing magnetic tunnel junction resistance. in 2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011., 5937938, Proceedings - IEEE International Symposium on Circuits and Systems, pp. 1816-1819, 2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011, Rio de Janeiro, Brazil, 5/15/11. https://doi.org/10.1109/ISCAS.2011.5937938

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N2 - Magnetologic circuits are digital logic circuits constructed using magnetic tunnel junction (MTJ) devices. These devices are non-volatile, robust, and scale favorably with process dimensions. Several approaches exist for building magnetologic circuits. We are investigating current-mode magnetologic circuits as a viable option. Current-mode circuits avoid charging/ discharging load capacitances and can be used to program a downstream device. Noise in a current-mode read circuit can affect the ability to correctly distinguish logic states in an MTJ. In this paper, we present a noise analysis of a current-mode read circuit or current conveyor. We derive analytical noise equations and verify them via simulation.

AB - Magnetologic circuits are digital logic circuits constructed using magnetic tunnel junction (MTJ) devices. These devices are non-volatile, robust, and scale favorably with process dimensions. Several approaches exist for building magnetologic circuits. We are investigating current-mode magnetologic circuits as a viable option. Current-mode circuits avoid charging/ discharging load capacitances and can be used to program a downstream device. Noise in a current-mode read circuit can affect the ability to correctly distinguish logic states in an MTJ. In this paper, we present a noise analysis of a current-mode read circuit or current conveyor. We derive analytical noise equations and verify them via simulation.

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Noise analysis of a current-mode read circuit for sensing magnetic tunnel junction resistance

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