Teledyne-lecroy QPHY-DDR4 User Manual download pdf (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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Teledyne-lecroy QPHY-DDR4 User Manual Page 6