IEEE Consumer Electronics Magazine - July 2018 - 90

CONCLUSION
Embedded electronics, especially in con-
sumer devices, are often constrained by
available power. Replacing SRAM and
DRAM caches and buffers with a fast-

and high-endurance nonvolatile memo-
ry for code, data, and state applications
allows devices to have acceptable per-
formance and a longer battery life. MRAM
can provide such a memory that is com-
patible with popular CMOS integrated
circuit processes.
In the next few years, the introduc-
tion of embedded MRAM products from
several semiconductor foundries will
result in nonvolatile memory designs.
MRAM is probably in your embedded-
product future.

ABOUT THE AUTHOR
Tom Coughlin (tom@tomcoughlin
.com) is the founder of Coughlin Asso-

IEEE connects you to
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association dedicated to advancing
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Visit www.ieee.org.
Publications / IEEE Xplore ® / Standards / Membership / Conferences / Education

90 IEEE Consumer Electronics Magazine

^

July 2018

ciates. He has more than 35 years of
experience in the digital storage indus-
try as a consultant, executive, and engi-
neer. He is an IEEE Fellow.

REFERENCES
[1] T. M. Coughlin, Digital Storage in Consumer Electronics: The Essential Guide, 2nd
ed. New York: Springer-Verlag, 2018.
[2] D. Apalkov, B. Dieny, and J. M. Slaughter,
"Magnetoresistive random access memory,"
Proc. IEEE, vol. 104, no. 10, pp. 1796-1830,
Oct. 2016.
[3] S. P. Mohanty, "Memory in the AMS-SoCs
chapter," in Nanoelectronic Mixed-Signal System Design. New York: McGraw-Hill Profes-
sional, 2015.

IMAGE LICENSED BY INGRAM PUBLISHING

architectures. Combining these devices
allows for code, data, and state storage,
and it provides opportunities for nor-
mally off systems that are energy effi-
cient, which benefits battery-powered
products. This is expected to use one-
third of the power of a standard system-
on-chip using embedded flash and
volatile memory. This can support con-
ventional CPUs as well as graphical and
visual processing units.



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