How To Measure DDR Memories? (DDR5 / DDR4 / DDR3)

Описание

Explains how to connect an oscilloscope to DDR bus, what signals to measure and what to look for. Thank you very much Randy White from Keysight.

Links:
- How to test DDR5 Transmitter Compliance: https://keysig.ht/6tpd01
- How to Characterize and Test DDR5 Receiver Compliance: https://keysig.ht/OQ2MiJ
- FEDEVEL courses: https://fedevel.com/courses

Chapters:
00:00 What this video is about
00:29 The setup
04:25 Bit error ratio tester
12:15 Probing DDR5 / DDR4 / DDR3 memory signals
19:43 What software to run during DDR memory testing
23:07 Connecting and setting up oscilloscope to measure DDR memories
37:15 Interposer effects, equalization and de-embedding
46:36 Recognizing read and write cycles
52:56 Equalization in oscilloscope
58:04 Measuring and verifying DDR5 signals
1:12:40 Starting the automated test

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