DDR Memory Bus Electrical Validation and Analysis Software

Additional Capabilities using a Performance

MSO (Mixed-Signal Oscilloscope)

The MSO70000 Series Performance MSOs allow you to probe more signals

on the DDR bus and to trigger on and view specific bus events. Up to 16

digital channels can be used to view logic states of command and address

signals such as RAS, CAS, WE, CE, CS, etc. Signal integrity of these

16 inputs can be analyzed using the iCapture™ multiplexing feature, which

allows any of the digital input signals to be internally routed to one of the

scope’s four analog channels. Measurements involving command-bus cycle

timing can also be analyzed using the bus-decode features of the MSO

and DDRA software.

Full Bus Analysis using Logic Analyzer and

Oscilloscope

When full protocol analysis or probing of the entire memory bus is required,

a logic analyzer can provide this additional capability. The TLA7000 Series

logic analyzers can also be linked with Tektronix oscilloscopes to provide

an integrated test setup using tools such as iCapture mentioned above.

This eliminates the need for double probing and allows full analog capture

of any signals probed by the logic analyzer. In addition, the iView™ display

interface allows transfer of the oscilloscope data to the logic analyzer

display, so that data from both instruments are analyzed and time-aligned

on one display screen.

Characteristics

Bandwidth Recommendations for Each DDR Standard

DDR Type

Maximum Data

Rate (JEDEC)

Clock Rate

5th Harmonic

of Clock

Max SE Slew

Rate (JEDEC)

Typical Signal

Swing

Oscilloscope

Rise Time

Recommended

Oscilloscope

DDR

400 MT/s

200 MHz

1GHz

5V/ns

1.8 V

89 ps

4GHz

DDR2

800 MT/s

400 MHz

2GHz

5V/ns

1.25 V

62 ps

6GHz

DDR3

2133 MT/s

1066 MHz

5.3 GHz

5 V/ns

1.0 V

49 ps

8GHz

GDDR5

5 GT/s

2.5 GHz

12.5 GHz

N/A

0.8 V

18 ps

Ordering Information

DDRA

DDR Memory Bus Electrical Validation and Analysis Oscilloscope Software.

To order on a new DPO5000, MSO5000, DPO7000, DPO70000,

Order

Description

Opt. DDRA

DPOFL-DDRA

DDR Memory Technology Analysis Package –

Floating License

To upgrade an existing DPO5000, MSO5000, DPO7000,

DPO70000, DSA70000, or MSO70000 Series:

Order

Description

DPO-UP DDRA

Upgrade to Option DDRA (requires Opt. ASM and

DJA)

DPO-UP DJAE

Upgrade MSO/DPO5000 Series with DPOJET Jitter

and Eye Diagram Analysis (Opt. DJA)

DPO-UP DJAM

Upgrade DPO7000 with DPOJET Jitter and Eye

Diagram Analysis (Opt. DJA)

DPO-UP DJAH

Upgrade DPO70404 - DPO70804 or MSO70404 -

MSO70804 with DPOJET Jitter and Eye Diagram

Analysis (Opt. DJA)

DPO-UP DJAU

Upgrade DPO71254 - DPO73304 or MSO71254 -

MSO72004 with DPOJET Jitter and Eye Diagram

Analysis (Opt. DJA)

DPO-UP DJUP

DJA DPOJET software for scopes with both

TDSJIT3 and TDSRTE licenses

Note: Software is supplied on the internal hard drive of the DPO5000, MSO5000, DPO7000, DPO70000,

DSA70000, and MSO70000 Series oscilloscopes. User documentation (online or user manual) is part of the

oscilloscope documentation.

To order a floating license for an existing DPO5000, MSO5000,

DPO7000, DPO70000, DSA70000, or MSO70000 Series:

Order

Description

DPOFL-DDRA

DDR Memory Technology Analysis Package –

Floating License

DPOFL-DJA

DPOJET Jitter and Eye Diagram Analysis – Floating

License