Total Ionizing Dose Response of a 22-nm Compiled Fully-Depleted-Silicon-on-Insulator Static Random Access Memory

Lawrence T. Clark, William E. Brown, Keith E. Holbert, A. Rao, P. Bikkina, Marek Turowski, Andrew Levy, T. Olvarez, Jim D. Butler, Clifford YoungSciortino, Steven M. Guertin

Research output: Contribution to journalArticlepeer-review

Abstract

The results of total ionizing dose (TID) experiments on fully-depleted silicon-on-insulator (FDSOI) static random access memory (SRAM) are presented. Using 60Co gamma irradiation, tests were conducted at multiple voltages and with and without read and write assists. The results demonstrate cell stability past 200 krad(Si) TID in standard operational modes. The impact of read and write assists and read timing via margin mode tests are examined. We also report input-output (IO) level translation circuit failures, as well as anomalous circuit failures attributable to IO at relatively low TID dose. Finally, we show post-TID anneal and low voltage SRAM results.

Original languageEnglish (US)
Pages (from-to)1
Number of pages1
JournalIEEE Transactions on Nuclear Science
DOIs
StateAccepted/In press - 2023
Externally publishedYes

Keywords

  • Circuit stability
  • FDSOI
  • Integrated circuits
  • MOS devices
  • Radiation effects
  • Silicon-on-insulator
  • SRAM
  • SRAM cells
  • TID
  • Transistors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering

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