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TDK rolls 3Gb/s SSD with serial ATA interface

Posted: 27 Mar 2012 ?? ?Print Version ?Bookmark and Share

Keywords:SSD? flash memory? controller?

TDK Corp. has launched a single chip 3Gb/s SSD with serial ATA interface that uses multichip technology to integrate the TDK SSD controller GBDriver RS3 with NAND type flash memory in a single package. The eSSD series provides a storage capacity of 1-4GB in a 17 x 17mm 208-ball BGA package.

The internal flash memory is of the high-endurance SLC type, stated the company. Combined with the error correction capability of the GBDriver RS3, the power interruption tolerance algorithm, data randomizer and auto refresh function result in an SSD touting excellent reliability and long life span, said TDK.

eSSD series

The eSSD series boasts 1-4GB storage capacity.

Data security has also been enhanced, with an automated encryption function using AES128bit encryption. Data in the NAND flash memory is encrypted, providing robust security against data tampering and leaks.

According to the company, the applications of the device include office equipment such as multifunction printers and commercial projectors, amusement devices such as karaoke on demand and game consoles, factory automation equipment such as NC machine tools, sequencers, PLCs, panel computers, touch panel systems, and embedded CPU boards.

Other used of the device are in railway and transport equipment such as automated ticket vending machines, commuter pass vending machines, automated air ticket vending machines and automated check-in systems; banking terminals such as POS devices, convenience store and kiosk terminals and ATMs; medical and measuring instruments such as diagnostic imaging systems, cardiography equipment, blood analysis equipment, medical PCs and electronic records systems; and communications and broadcasting equipment and information system devices for base stations such as third-generation mobile phone data communications systems.

Likewise, designers can opt to use the product in developing security terminals and security devices such as digital signage, entry control systems and monitoring cameras; disaster prevention related equipment such as earthquake early warning systems and household fire detectors; audio-visual devices such as digital cameras, video cameras, smart TVs, Blu-ray TVs, Blu-ray disk players, Blu-ray disk recorders, STBs and communication satellite broad-cast tuners; thin client PCs and mobile Internet devices, netbooks and other ultra-mobile PCs; and automotive devices such as car navigation systems, portable navigation devices, digital tachographs, data loggers, drive recorders and rear view monitors.

The eSSD series is compliant with Serial ATA Standard Revision 2.6. The device is compatible with Gen1:1.5Gb/s and Gen2:3Gb/s, and supports read access speeds up to 55MB/s and write access speeds up to 30MB/s.

TDK's global static wear leveling algorithm counts the number of times each memory block is rewritten (erased) and replaces blocks uniformly. Static blocks such as OS/FAT are also periodically levelled that drastically improves the lifespan of the installed flash memory, said the company. The 4GB type for example supports 786 million rewrite cycles. Even at a rate of 2.5 rewrites per second, this equates to an expected service life of 10 years, indicated TDK.

An evaluation kit of the SSD device comprising an mSATA module and an mSATA-SATA converter board is available for the SSD. Sales are scheduled to begin in April.

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