SATA Flash On A Chip

Aug. 19, 2010
SanDisk's iSSD is a SATA II flash drive on a chip. It is available a BGA package containing up to 64 Gbytes.

SanDisk's iSSD solid state drive delivers up to 64 Gbytes of storage

SGG-SIGs MiniBlade II supports SATA interfaces

SanDisk's iSSD (Fig. 1) is a SATA flash drive on a chip. It's ideal for embedded applications providing high speed transfers in a compact package. Sequential read performance is 160 Mbyte/s and write speeds of 100 Mbytes/s. The chip uses a 3 Gbit/s SATA II interface.

The compact size of the iSSD and its standard disk drive interface makes it a good candidate for small form factor modules like the Small Form Factor SIG's MiniBlade (Fig. 2). The chip will also find a home on motherboards as a default boot device.

The iSSD supports SMART (Self-Monitoring, Analysis, and Reporting Technology) monitoring. It also supports the Trim command that returns a sector to free space.

The iSSD is available in 4, 8, 16G, 32, and 64 Gbytes. The chip is a 157 ball BGA with a 0.5mm pitch. The package size is 16 mm by 20 mm by 1.85 mm. The chip uses 3.3V, 2V and 1V supplies. In sleep mode the typical power requirement is 60mW. Average active power is 1W. Average power is 0.18W. The chips come with a 3 year warranty.

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William G. Wong | Senior Content Director - Electronic Design and Microwaves & RF

I am Editor of Electronic Design focusing on embedded, software, and systems. As Senior Content Director, I also manage Microwaves & RF and I work with a great team of editors to provide engineers, programmers, developers and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

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I earned a Bachelor of Electrical Engineering at the Georgia Institute of Technology and a Masters in Computer Science from Rutgers University. I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK. I do a bit of PHP programming for Drupal websites. I have posted a few Drupal modules.  

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