HDA125
High-speed
Digital Analyzer
Key Features
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12.5 GS/s sampling rate for 80ps
timing accuracy
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3 GHz leadset for capturing digital
signals up to 6 Gb/s
The HDA125 transforms your Teledyne LeCroy oscilloscope into the
highest-performance, most flexible mixed-signal solution for high-speed
digital debug and evaluation. With 12.5 GS/s digital sampling rate on 18
input channels, and the revolutionary QuickLink probing solution allowing
seamless transitions from digital to high-bandwidth analog acquisitions,
validation of challenging interfaces such as DDR4 has never been simpler
or more comprehensive.
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Precise timing synchronization via
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WaveMaster 8Zi family
WavePro 7Zi family
WaveRunner 6Zi
HDO9000
Teledyne LeCroy LBUS for medium-
and high-bandwidth oscilloscopes
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SYNC connection to LabMaster
oscilloscopes
Complete Embedded
System Debug
Modern embedded systems
increasingly utilize high-speed digital
buses, posing new and evolving
challenges to validation and debug
engineers. While analog signal-integrity
characterization is a critical part of
this process, the ability to decode
and trigger on related digital buses
is becoming a vital capability. The
HDA125 High-speed Digital Analyzer
addresses this need with the most
flexible solution available.
sufficient fidelity. The HDA125 is built
around Teledyne LeCroy’s revolutionary
QuickLink probing concept - enabling
high signal quality, easy access
to remote test points, and simple
transitions from digital to analog
probing.
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Create the highest-bandwidth
mixed-signal solution available -
up to 100 GHz analog bandwidth!
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USB 3.1 for fast data transfer
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Unique QuickLink probing system
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Differential solder-in tips with
9-inch lead simplify access to
difficult test points
Ultra low loading for superior
performance
8 GHz bandwidth tips are
compatible with both HDA
digital leadset and Teledyne
LeCroy WaveLink differential
analog probes for unmatched
acquisition flexibility
Enhanced DDR Debug
Teledyne LeCroy already offers the
industry’s only dedicated DDR Debug
Toolkit, designed to simplify challenging
memory interface validation. Adding the
HDA125 allows the DDR command bus
to be directly acquired and integrated
into the analysis, enabling advanced
command triggering and sophisticated,
searchable bus state viewing.
Unique Probing Solution
One of the most challenging aspects
of high-speed embedded test is simply
getting the signals from the system
under test to the instrumentation with
THE MOST FLEXIBLE MIXED-SIGNAL TEST SOLUTION
The HDA125 High-speed Digital Analyzer
is a key building block in the most
powerful, flexible mixed-signal test
system available. It integrates seamlessly
with Teledyne LeCroy oscilloscopes and
probing solutions for an unprecedented
level of full-system visibility.
1. 12.5 GS/s digital acquisition
With 80ps between samples, the HDA125
provides the high sample rate and precise
timing accuracy required to capture today’s
high-speed embedded signals.
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2. 3 GHz digital leadset
The HDA-DLS leadsets connect the HDA125
to Teledyne LeCroy’s unique QuickLink probe
tips via low-profile 4- and 5-way comparator
“pods”. Leadsets are available in 18-channel
and 9-channel models.
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3. QuickLink probe tips
8 GHz differential probe tips with 9-inch lead
length provide easy access to challenging test
points. Tips are inexpensive, allowing an
entire DUT to be equipped cost-effectively.
4. Precise synchronization
The HDA125 synchronizes natively with
Teledyne LeCroy oscilloscopes using
either the LBUS or ChannelSync interface,
enabling precise timebase synchronization and
simple cross-triggering.
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5. USB 3.1 data transfer
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Data transfer from the HDA125 is
accomplished via a USB 3.1 interface to
maintain oscilloscope responsiveness.
6. Digital waveform display
Digital waveforms acquired by the HDA125
appear directly on the oscilloscope's display,
fully time-correlated with the scope’s high-
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bandwidth analog traces.
7. Bus decodes
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Combine multiple digital traces into a single
decoded bus display, for easy readability and
more efficient use of screen space.
8. Digital triggering
Trigger the oscilloscope on parallel bus states
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(clocked or un-clocked) from the HDA125.
9. Simplified analog probing
The included 8 GHz QuickLink probe tips can
be connected to Teledyne LeCroy WaveLink
probes using adapters. This flexibility allows an
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entire DUT to be equipped with one kind of tip,
making testing quicker and easier.
10. Enhanced DDR debug
The HDA125 enables acquisition of DDR
command bus signals, adding significant
functionality to Teledyne LeCroy’s unique DDR
Debug Toolkit.
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HIGH-SPEED DIGITAL CAPTURE AND DISPLAY
High-speed Sampling with Superior Sensitivity
The HDA125 samples 18 input signals at 12.5 GS/s,
for accurate characterization of the fastest signals. But
sample rate is only half the story - high-speed embedded
systems testing often poses very challenging signal
amplitude conditions. The High-speed Digital Analyzer
meets these challenges with ultra-low probe loading and
industry-leading sensitivity (150 mV minimum signal swing).
The most precise threshold settings are ensured with a
unique hysteresis adjustment capability, and three times
better threshold accuracy than competing mixed-signal
instruments.
Acquisition Synchronization and Cross-triggering
The HDA125 connects to Teledyne LeCroy oscilloscopes
using an LBUS or ChannelSync interface, enabling the digital
channels to be acquired with the same timebase accuracy
and triggering synchronization as a built-in mixed-signal
solution. A USB 3.1 interface provides high-speed transfer of
the acquired digital data to the oscilloscope. And the modular
design allows you to better leverage your investment by
sharing digital capability between existing instruments.
Enhance Existing Oscilloscope Capabilities
The HDA125 allows you to add high-speed digital
acquisition and analysis capabilities to your existing
laboratory oscilloscopes - no need to update the entire
instrument just to add new functionality. WaveMaster 8 Zi,
WavePro 7 Zi, WaveRunner 6 Zi, and HDO9000 family
instruments are supported using Teledyne LeCroy's
LBUS interface. Or connect the HDA125 to the LabMaster
family of modular oscilloscopes using the ChannelSync
interface to create the highest-bandwidth mixed signal
solutions available.
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THE MOST ADVANCED DDR ANALYSIS
Command Bus Capture for
Full Interface Visibility
Basic debugging and validation of embedded DDR
interfaces typically involves analysis of the analog
properties of the clock, data (DQ) and strobe (DQS) signals
- and Teledyne LeCroy’s DDR analysis tools are established
industry leaders in this application. But when validation
tasks become more complex and problems require deeper
insight, the ability to trigger on, acquire and visualize the
state of the DDR command bus is invaluable. The HDA125
brings command bus acquisition to Teledyne LeCroy’s
already comprehensive toolset, providing the ultimate in
memory bus analysis capability.
Analyze Bus Activity
The HDA125 enables the unique “bus view” feature of
the DDR Debug Toolkit, which brings Teledyne LeCroy’s
advanced bus analysis feature set to bear on DDR analysis.
View bus activity in tabular form, and move time-correlated
views to a desired event with the touch of a button. Search
for specific events and bus states within the acquired
record. Intuitive color overlays and annotations make it
easy to identify areas of interest in the acquired analog
waveforms.
Trigger on DDR Commands
The ability to trigger on specific states of the command
bus becomes an invaluable tool for quick understanding of
DDR signal quality. The HDA125’s logic triggering combines
with the DDR Debug Toolkit's intuitive setup and intelligent
software cross-triggering to provide the ultimate DDR
triggering system. Persistence maps of read and write
bursts provide an easy and fast means of identifying subtle
signal-quality problems for further investigation.
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