Technology, Process and Cost

Everspin Technologies Latest STT-MRAM in 28nm

By Yole SystemPlus

Technical and cost analysis of Everspin Technologies’ latest STT-MRAM in 28nm (EMxxLX). This report includes a detailed analysis of the magnetic stack, thanks to TEM and EELS mapping


Key Features

  • Detailed photos (optical, top-down SEM, cross-section SEM)
  • TEM, EELS mapping
  • Precise measurements
  • Materials analysis
  • Manufacturing process flow
  • Supply chain evaluation
  • Manufacturing cost analysis

What's new

  • Among the different emerging non-volatile memory technologies, STT-MRAM seems to be the most promising for competing with traditional flash.
  • In November 2022, Everspin Technologies’ latest Expanded Serial Peripheral Interface (xSPI) – the EMxxLX family of chips – became commercially available at memory sizes of 8, 16, 32, and 64Mb. These devices are based on GlobalFoundries’ 28nm CMOS wafers and Everspin’s STT-MRAM technology. 

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