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B4661A Memory Analysis Software for Logic Analyzers

The Keysight B4661A memory analysis software offers a suite of tools that include the industry’s first protocol compliance violation testing capability across speed changes, a condensed traffic overview for rapid navigation to areas of interest in the logic analyzer trace, powerful performance analysis graphics, and DDR and LPDDR decoders. With the B4661A memory analysis software, users can monitor DDR3/4 or LPDDR2/3/4 systems toperform debug, optimize performance, and validate protocol compliance. Powerful traffic overviews, multiple viewing choices, and real-time compliance violation triggering help identify elusive DDR/LPDDRsystem violations.The Keysight B4661A memory analysis software provides four standard software features and four licensed memory analysis options.

Standard software features:

  • Default configurations for DDR and LPDDR probing solutions
  • DDR setup assistant
  • DDR eye finder / eye scan
  • DDR configuration creator

Software Licensed options:

  • DDR decoder with physical address trigger tool
  • LPDDR decoder with physical address trigger tool for LPDDR/2/3
  • DDR and LPDDR Post-process and Real-time compliance violation analysis
  • DDR3/4 and LPDDR2/3/4 performance analysis
Release Date Version Version Description
2020-04-23 06.70.0002 Measurement updates for DDR/LPDDR Post-process Compliance Tool and Real-time Compliance Tool.

How to Download

  • Click the download button, select file and save.

How to Install

  • After you have downloaded the software, double click on the setup file then follow the instructions which are displayed.


  • Requires a License

Supporting Documentation


Installs on:

PC / Instrument

Operating System

  • Windows 8
  • Windows 7
  • Windows 10
  • Windows Server 2008
  • Windows Server 2008 R2
  • Windows Server 2012
  • Windows Server 2012 R2


Supported Instruments

  • U4164A,U4154A/B,16850 Series Logic Analyzers, 16860A Series Portable Logic Analyzers