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Validation platform monitors DDR4 transfers

Posted: 03 Feb 2012     Print Version  Bookmark and Share

Keywords:memory  DDR4  analyser  validation  platform 

LeCroy Corp. unveils the Kibra 480 validation platform for the timing analysis of DDR4 bus and JEDEC timing analysis. The platform is based on the company's first generation DDR3 analyser, with new proprietary probing technology designed to non-intrusively monitor DDR4's higher transfer speeds without time consuming signal calibration and setup.

The system analyses bus traffic, identifies timing violations and displays commands and errors on a full function waveform viewer. It has support for testing DDR3 and DDR4, allowing designers to speed memory integration and ensure design manufacturability.

DDR4 is the next evolution of the double data rate memory technology currently under development by the JEDEC standards organisation. With operating frequencies from 800MHz to 1600MHz, DDR4 represents advancement in performance with reduced power usage compared to DDR3 technology.

The Kibra 480 uses specialised trigger logic to automatically identify over 65 JEDEC timing and command violations across all ranks and banks simultaneously. This overcomes key limitations with logic analyser-based solutions which use state based triggering that is complicated to setup and can only track two or three violations simultaneously. In addition, the Kibra 480 highlights any errors in the timing display allowing users to see and verify interoperability and compliance to the DDR4 specification.

Upgraded software for the Kibra system provides several enhancements including a new Bank State View which allows users to visualise distribution of I/O operations across all banks. Additionally, the ability to capture Serial Presence Detect data lets developers automatically discover the memory parameters used by system under test. The Kibra 480 is fully compatible with DDR3. LeCroy's Kibra offers an economical way to increase test coverage with today's DDR3 technology. The same system can also be extended to address the next generation DDR4 standard by using different interposer probes. Customers can purchase the system with interposer probe sets for DDR3, DDR4 or both.

The LeCroy Kibra 480 will be available in Q2 12.

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