Teledyne LeCroy QPHY-DDR4 - Manual (Page 6)

Introduction to Qualiphy DDR4
QPHY-DDR4 is an automated test package performing all of the real time oscilloscope in accordance
with JEDEC Standard No. JESD79-4. The standard is available on jedec.org.
The software can be run on any Teledyne LeCroy Zi Series oscilloscope with at least 8 GHz
bandwidth. The oscilloscope must also be equipped with the QPHY-DDR4 and SDAIII options.
Required Equipment
• Real time Teledyne LeCroy Oscilloscope with at least 8 GHz bandwidth. The minimum
recommended bandwidth for DDR4 is 13 GHz.
• QPHY-DDR4 (available on firmware 7.4.0.3 or later) and SDA III options
Note: SDAIII is included on all SDA and DDA oscilloscope models
o The VirtualProbe option is required to perform de-embedding
• A minimum of three Dxx30-PS differential probes (a fourth probe is required for some probe
setups)
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