Design of a low-power MTJ-based true random number generator using a multi-voltage/current converter

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

In this paper, we introduce a multi-V/I converter for low-power true random number generator (TRNG) using a three-Terminal magnetic tunnel junction (MTJ) device. As MTJ devices are probabilistically switched by current, the desired probability of 50% is digitally controlled by digital-To-Analog (D/A) and V/I converters. In the conventional MTJ-based TRNG a highly accurate (and large-power) D/A is required to be tolerate to large temperature variation of MTJ devices. By changing the characteristics dynamically according to the temperature variation, the proposed circuit can reduce the bit precision of the D/A converter while generating the quality of random number as the conventional V/I converter. The circuit is designed with a 65nm CMOS/three-Terminal MTJ model, and the simulation is carried out using HSPICE. As a result, the number of bits of the D/A converter is reduced from 10 bits to 7 bits.

Original languageEnglish
Title of host publicationProceedings - 2018 IEEE 48th International Symposium on Multiple-Valued Logic, ISMVL 2018
PublisherIEEE Computer Society
Pages156-161
Number of pages6
ISBN (Electronic)9781538644638
DOIs
Publication statusPublished - 2018 Jul 19
Event48th IEEE International Symposium on Multiple-Valued Logic, ISMVL 2018 - Linz, Austria
Duration: 2018 May 162018 May 18

Publication series

NameProceedings of The International Symposium on Multiple-Valued Logic
Volume2018-May
ISSN (Print)0195-623X

Other

Other48th IEEE International Symposium on Multiple-Valued Logic, ISMVL 2018
Country/TerritoryAustria
CityLinz
Period18/5/1618/5/18

Keywords

  • IoT device
  • Magnetic tunnel junction
  • True random number generator

ASJC Scopus subject areas

  • Computer Science(all)
  • Mathematics(all)

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