W-2W current steering DAC for programming phase change memory

Shantanu Gupta, Vishal Saxena, Kristy A. Campbell, R. Jacob Baker

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

15 Scopus citations

Abstract

This paper presents the design and experimental results of W-2W current mirror binary-weighted current steering Digital-to-Analog Converter (DAC) and its application for programming Phase Change Memory (PCM). This new approach significantly reduces the layout area of current-mode DACs by the virtue of its compact size. The proposed DAC can replace the write driver circuits in phase change memories. Both 6-bit and 12-bit DACs have been fabricated in 0.5 ?m CMOS technology. The layout size of the 12-bit and the 6-bit DACs is 0.09 mm2 and 0.04 mm2 respectively. Experimental results are presented and the limitations are discussed.

Original languageEnglish
Title of host publication2009 IEEE Workshop on Microelectronics and Electron Devices, WMED 2009
Pages59-62
Number of pages4
DOIs
StatePublished - 2009
Event2009 IEEE Workshop on Microelectronics and Electron Devices, WMED 2009 - Boise, ID, United States
Duration: 3 Apr 20093 Apr 2009

Publication series

Name2009 IEEE Workshop on Microelectronics and Electron Devices, WMED 2009

Conference

Conference2009 IEEE Workshop on Microelectronics and Electron Devices, WMED 2009
Country/TerritoryUnited States
CityBoise, ID
Period3/04/093/04/09

Keywords

  • Binary-weighted
  • Digital-to-analog converter (DAC)
  • DNL
  • INL
  • Mismatch
  • Phase change memory
  • W-2W current mirror

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