Read Path Degradation Analysis in SRAM

Innocent Agbo, Mottaqiallah Taouil, Said Hamdioui, Pieter Weckx, Stefan Cosemans, Franky Catthoor, Wim Dehaene

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

7 Citations (Scopus)

Abstract

This paper investigates the impact of aging in the read path of 32nm high performance SRAM; it combines the impact on the memory cell, on the sense amplifier, and on the way they interact. The analysis is done while considering different workloads and by inspecting both the bit-line swing (which reflect
the degradation of the cell) and the sensing delay (which reflects the degradation of the sense-amplifier); the voltage swing on the bit lines has a direct impact on the proper functionality of the sense amplifier. The results show that in addition to the sense amplifier degradation, the cell degradation also contributes to the sensing delay increase; the share of this contribution depends on the cell design. Moreover, this sensing delay becomes worst at
stressy workloads.
Original languageEnglish
Title of host publicationProceedings - 21st IEEE European Test Symposium, ETS 2016
Place of PublicationDanvers, MA
PublisherIEEE
Pages1-2
Number of pages2
ISBN (Electronic)978-1-4673-9659-2
DOIs
Publication statusPublished - 2016

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