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Fast, reliable memory testing for DDR2 DIMMs

Introducing the new RAMCHECK DDR2 Adapter (p/n INN-8668-15), the latest advanced memory test adapter for RAMCHECK LX and RAMCHECK. The RAMCHECK DDR2 adapter supports testing of 240-pin PC2-6400, PC2-5300/PC2-5400, PC2-4300 and PC2-3200 DDR2 memory, including unbuffered (UDIMM) and registered modules (RDIMM), both ECC and non-ECC, that comply with JEDEC standards. The adapter can achieve a maximum frequency of 866MHz. (Please see this page for information about DDR2 fully-buffered FB-DIMM devices.)

The new DDR2 adapter plugs into the existing RAMCHECK or RAMCHECK LX base tester. This makes the DDR2 adapter by far the most cost-effective solution for testing modern high-speed DDR2 modules. In fact, its features are what you would expect to find in test equipment that costs $20,000 or more.

                        DDR2 test adapter

Click here to download the one page spec sheet.

Don't let the adapter's small size fool you! High speed operations require short connections, while the adapter is loaded with state-of-the-art electronic components.

No special setup is required. As with all of our products, the adapter is extraordinarily simple to use. Insert the adapter, turn the RAMCHECK/RAMCHECK LX tester on, place a module into the test socket, then press the start button.

DDR2 Advanced Technology

We have incorporated state-of-the-art technology in the design of the new RAMCHECK DDR2 Adapter.

DDR2 adapter board

1. Main controller featuring our improved 866MHz DDR2 test engine.
2. High efficiency switching power regulator to generate the DDR2 STTL-18 interface power source.
3. Advanced analog section for measuring the module's current, voltages and the board's temperature.
4. Digitally-controlled Vtt regulator.
5. 300-1100MHz DDR2 clock generator.
6. Digitally-controlled high resolution VDD high efficiency switching power regulator. Provides twice the current capabilities of the previous version of the DDR2 adapter.

The RAMCHECK DDR2 adapter includes many new features which are relevant to the differences between DDR2 technology and the older DDR1 technology.

As with all of our RAMCHECK/RAMCHECK LX testers, each module's size, structure, and type are automatically detected, without the need for user's setup. The test flow follows our standard Basic Test, Extensive Test, and Auto-Loop process. The RAMCHECK DDR2 adapter is very simple to operate, with little training or setup required.

Introducing the RAMCHECK DDR2 Adapter

DDR2 RAMCHECK automatically identifies the presence of the new DDR2 adapter.
DDR2 RAMCHECK prompts the user to insert a 240-pin DDR2 module and start the test with F1.
 Basic Test
                              Basic Test Basic Test screen shows the size, the speed, the voltage, the test pattern, the module's bank and the CAS Latency. This example shows testing at 800MHz with an automatic setting of CAS Latency to the default value of CL=5 for this frequency.
                              Basic Test OK In this Basic Test screen we test a 64Mx64 ECC module at 667MHz with the default CAS Latency of 4. This module is unbuffered.
                              Basic Test OK In this Basic Test screen we test a 128Mx64 (1GB) module at 533MHz with a reduced CAS Latency of 3. Some 533MHz modules which are normally designed for CL=4 may still pass tests conducted at the more demanding CL=3.
                              Basic Test OK The DDR2 adapter supports all popular Unbuffered, Registered modules. In this Basic Test screen we test a Unbuffered 32M64 (256MB) module at 533Hz with the default CAS Latency of 4.
                              Basic Test OK In this Basic Test screen we test a Registered 64Mx72 (512MB) module at 400MHz with the default CAS Latency of 3.
                              Basic Test OK In addition to the industry standard frequencies of 400MHz, 533MHz 667MHz and 800MHz, we also offer testing at the additional frequencies of 866MHz, 600MHz and 466MHz. These frequencies can be used to gauge if a given module can run at slightly higher frequencies than it is marked for.
  Test Results
RAMCHECK test log summary This screen appears upon a successful completion of the Basic Test. It is followed with several detailed screens with detailed information about the module's size and structure.
RAMCHECK LX Test Log This sample structure information screen indicates that the module was tested at the default 1.90V. CAS Latency was the default 3/4 setting, in which the program automatically select CL=5 for frequencies of 533MHz and higher.
RAMCHECK LX Test Log This sample structure information screen states that the currently tested PC2-6400 module has its SPD set for 800MHz at CL 5 and 667MHz at CL4.
RAMCHECK LX Test Log Expanded CHANGE-ON-THE-FLY can be used to set up the Frequency, the Voltage, the CAS LATENCY and the Refresh rate only for the current test. Following the current test, it returns to the current setup parameters.
RAMCHECK LX Test Log Here we demonstrate how the module's frequency is overriden to 866MHz from a previous test at 800MHz.
RAMCHECK LX Test Log CAS Latency can be set at 2,3,4,5,6. Please note that not all DDR2 modules support CL of 2 and 6. By default, the test program selects CL=3 for 400MHz and 466MHz, CL=4 for 533MHz and 667Mhz, and CL=5 for 800MHz. At 667MHz, the test program dynamically tries to test the module at CL=5 if CL=4 fails.
RAMCHECK LX Test Log This example shows testing at 800MHz with a forced CAS Latency of CL=5. This test ended successfully.
RAMCHECK LX Test Log The new DDR2 VDD Voltage setup allows the user to change on-the-fly the test voltage in the range 1.5V-2.2V. When set to AUTO, RAMCHECK automatically tests the module at 1.8V/1.9V. In this example, the user is selecting a VDD of 1.94 Volt.
Wiring Error Unlike older DDR, the DDR2 devices utilize the differential DQS technique which assigns a pair of two control lines per each DQS. In this test error example, DQS4 line (pin 84) was stuck at 1.
Wiring Error The DDR2 module uses new ODT control line. In this test error example, line ODT1 (pin 77) is shorted to ground.
 Extensive Test
RAMCHECK LX extensive test The EXTENSIVE Test performs various tests to establish memory quality.
voltage cycling VOLTAGE CYCLING performs tests under allowable voltage deviations from the recommended VDD setting.
                              Test MODE Test identifies various operational parameters of the device, including different bursts lengths and CAS latency settings.
Voltage Bounce VOLTAGE BOUNCE tests data retention during voltage variation between read and write.
March Up/March Down MARCH UP/DOWN reveals adjacent cell interference problems.
Chip Heat Mode CHIP HEAT MODE tests at elevated operating temperatures.
RAMCHECK LX Test Log The RAMCHECK LX provide advanced setup features. Certain timing parameters may be selected graphically as shown here.
                              on the fly Make changes "on-the-fly" to test parameters with the push of a button.
Autoloop AUTO LOOP tests memory with endless pattern changes. Great for burn-in testing.
   SPD Editor
RAMCHECK LX Test Log The device's SPD can be conveniently viewed, edited and programmed on the RAMCHECK LX. You can also use our advanced SPD features in the PC RAMCHECK LX communications program.

The new DDR2 incorporate numerous enhancement over our previous DDR1 technology. Please make sure that your base tester (RAMCHECK LX or RAMCHECK) always has the latest firmware installed.

As with all of our RAMCHECK testers, each module's size, structure, and type are automatically detected, without the need for user's setup. The test flow follows our standard Basic Test, Extensive Test, and Auto-Loop process. The RAMCHECK DDR2 adapter is very simple to operate, with little training or setup required.

DDR2 Test Features
Supports Burst Length of 4, and 8.
Supports CAS LATENCY (CL) in the range of 2,3,4,5,6. Trcd is supported in the range of 3,4,5, and 6. Additive Latency is supported in the rane of 0,1,2,3,4, and 5. The test allows automatic selection of CL and Trcd for different test phases. The user can select specific CL values using SETUP or the CHANGE-ON-THE-FLY feature.
DDR2 Data rates : 866MHz, 833MHz, 800MHz, 733MHz, 667MHz, 533MHz, 466MHz and 400MHz.
Support On-Die-Termination (ODT).
Advanced timing circuitry and DCMs provides differential delays along the input data path.
Improved current and temperature measurement circuitry.
True 1.8V testing with a wide support range of 1.5V to 2.2V at 10mV increments.
Controlled Vtt for true STTL-18 compatibility.
Parallel testing capability of 64/72-bits.
Rugged, test-quality ZIF socket for covenient module handling.
Automatic detection and support for Registered/Unbuffered modules.
Automatic DQS8..0/DM8..0 or DQS17..0 support.
Four -S control lines for up to 4-rank devices.
Fourteen A13..0 address lines and three BA2..0 bank select address lines to support 4GB modules.
Complete SPD programming support.
Supports optional converter for 200-pin S.O. DIMM modules (p/n INN-8668-1) and future converters.

DDR2 Frequency Support

The new RAMCHECK DDR2 adapter (p/n INN-8668-15) can perform DDR2 tests at actual test frequencies up to 866MHz. Please note that the previous release of the RAMCHECK DDR2 adapter (p/n INN-8668-12) has a reduced frequency support as described here. The new DDR2 test engine can achieve 1066MHz internal diagnostic speeds. Please see the product specifications for futher details.

PC2-3200 PC2-4200 PC2-5300

DDR2-400Mhz DDR2-533Mhz DDR2-667Mhz DDR2-800Mhz
Test at full frequency Test at full frequency Test at full frequency Test at full frequency

Please click here for pricing and further information, or call INNOVENTIONS at 1 (281) 879-6226. When ordering, please reference part number INN-8686-DDR3.

INNOVENTIONS has contributed a new article about memory test trends for the BestTest Newsletter.

RAMCHECK LX DDR2 memory tester now available

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