Teledyne LeCroy QPHY-DDR4 User Manual
Qphy-ddr4 operator’s manual
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Table of contents
Document Outline
- Introduction to Qualiphy DDR4
- Using Qualiphy DDR4
- QualiPHY Compliance Test Platform
- QPHY-DDR4 Measurement Preparation
- QPHY-DDR4 Test Configurations
- QPHY-DDR4 Variables
- QPHY-DDR4 LIMIT SETS
- QPHY-DDR4 Test Descriptions
- Clock Tests (Ck Diff)
- Eye Diagram Tests (CKdiff-DQSdiff-DQse)
- Electrical Tests (CKdiff-DQSdiff-DQse)
- Timing Tests (CKdiff-DQSdiff-DQse)
- tDQSQ_total, DQS to DQ Skew
- tQSH/tQSL, DQS Output High/Low Time
- tQH_total, DQ Output Hold Time
- tDQSCK, CK to DQS Skew
- tHZ/tLZ, High/Low Impedance Time
- tRPRE/tRPST, Read Pre/Postamble Time
- tDQSS, CK to DQS Skew
- tDQSH/tDQSL, DQS Input High/Low Pulse Width
- tDIPW, DQ Input Pulse Width
- tDSS/tDSH, DQS to CK Setup/Hold Time
- Tdqs/Tdqh, DQ to DQS Setup/Hold Time
- tWPRE/tWPST, Write Pre/Postamble Time
- Appendix A: File name conventions for saved waveforms
- Appendix B: Common WaRning Messages