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Improving SATA and SAS measurements

Posted: 18 Jun 2012 ?? ?Print Version ?Bookmark and Share

Keywords:Serial ATA? Serial Attached SCSI? data transfer?

Serial ATA (SATA) and Serial Attached SCSI (SAS) are data transfer technologies for moving data to and from storage devices. The Serial ATA International Organizations (SATA-IO) and Serial Attached SCSI (SAS) T10 standard committees have both released specifications to provide support for 6Gbit/s data transfer and will soon be releasing higher data rates up to 12Gbit/s. As the speed increases, the validation effort increases exponentially as well. In order for the storage interface to function properly, its signal integrity performance must meet certain minimum requirements. Signal integrity is the key to system interoperability, or the guarantee that products from different vendors will integrate well, when used together. Failures in signal integrity are correlated to other failures, including marginal timing relationships, protocol violations, jitter issues, and errors from other buses. This application note will highlight a few of the methods that can help you characterize, validate and debug your designs faster.

View the PDF document for more information.

Originally published by Agilent Technologies Inc. at as "6 Hints for Better SATA and SAS Measurements".

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