DDR Memory Bus Electrical Validation and Analysis

Software

Features & Benefits

Auto-configuration Wizard Guides Easy Setup and Test Configuration

Analyze All Read/Write Bursts in the Entire Acquisition

Plot DQS and DQ Eye Diagrams for Reads and Writes

Perform JEDEC Conformance Tests with Pass/Fail Limits

Use Chip Select to Qualify Multi-rank Measurements

Navigate and Time Stamp Reads and Writes in an Acquired Record

using Search and Mark

Use Pinpoint Triggering, Visual Trigger, and DPX to Quickly Identify

Infrequent Anomalies

Easily Move between Conformance-test and Analysis/Debug Tools

Automatically Produce Consolidated Reports with Pass/Fail Information,

Statistical Measurement Results, and Test-setup Information

On MSO70000, Use Address/Command Bus to Precisely Qualify Read

and Write Bursts or Other Events

On MSO70000, Perform Bus Timing Measurements on the

Address/Command Bus

Applications

DDR1

DDR2

DDR3

LPDDR

LPDDR2

GDDR5

Option DDRA accelerates the analysis, validation, and conformance testing

of memory systems based on JEDEC Test Recommendations.

A single license of DDRA provides support for multiple generations of the

JEDEC DDR Standard; beginning with DDR1, DDR2, DDR3, while including

DDR derivatives LPDDR, LPDDR2, and GDDR5. Option DDRA supports

the common data rates in these standards alongside custom data rates up

to and beyond 2133 MT/s. Whether you are doing intensive signal integrity

analysis or debugging a specific memory transaction, DDRA will speed

your ability to trigger on and identify read and write bursts in the acquired

data record and then perform parametric measurements on the signals of

interest.

DDRA Wizard for Easy Test Selection and

Configuration

The wizard consolidates Tektronix experience and expertise in DDR testing

into a simple, easy-to-follow test selection interface. The user selects which

DDR technology, speed grade, and measurement group (reads, writes,

clocks, address, and control lines) they are testing, using check boxes to

select some or all measurements in a category. DDRA can then automate

oscilloscope scale selection, DQ and DQS level selections, and threshold

detection, then automate burst identification using search and mark. Search

and mark (for read/write measurements) data is used to identify and

separate all read vs. write bursts across the entire acquisition and qualify

measurement zones for use by DPOJET Advanced Jitter and Eye Analysis.

DPOJET will generate an eye diagram of the data and perform JEDEC

standard measurements qualified on read or write bursts. Measurement

configurations and JEDEC pass/fail limits are automatically applied for the

selected measurements. Every edge in each identified burst is measured,

then measurement results are included in statistics and plots for a complete

analysis of the acquired waveform.