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Toshiba Starts Mass Production of World's First 15nm NAND Flash Memories

Toshiba Corporation (TOKYO:6502) today announced that it has developed the world’s first 15-nanometer (nm)*1 process technology, which will apply to 2-bit-per-cell 128-gigabit (16 gigabytes) NAND flash memories. Mass production with the new technology will start at the end of April at Fab 5 Yokkaichi Operations, Toshiba’s NAND flash fabrication facility (fab), replacing second generation 19 nm process technology, Toshiba’s previous flagship process. The second stage of Fab 5 is currently under construction, and the new technology will also be deployed there.

The World's First 15nm NAND Flash Memories (Photo: Business Wire)

The World's First 15nm NAND Flash Memories (Photo: Business Wire)

Toshiba has achieved the world’s smallest class chip size with the 15nm process plus improved peripheral circuitry technology. The new chips achieve the same write speed as chips formed with second generation 19 nm process technology, but boost the data transfer rate to 533 megabits a second, 1.3 times faster, by employing a high speed interface.

Toshiba is now applying the 15nm process technology 3-bit-per-cell chips, and aims to start mass production in the first quarter of this fiscal year, to June 2014. The company will develop controllers for embedded NAND flash memory in parallel and introduce 3-bit-per-cell products for smartphones and tablets, and will subsequently extend application to notebook PCs by developing a controller compliant with solid state drives (SSD).

Toshiba continues to closely follow its process technology development roadmap and will strengthen product competitiveness and performance by applying leading-edge process to production. Looking to the future, Toshiba will reinforce its market leadership by promoting product innovation and development and ensuring that it is able to respond to a wide variety of clients' product needs, including smartphones, tablets, slim notebook PCs and enterprise products requiring high reliability, including SSD for data centers.

*1 As of April 23, 2014. Toshiba survey.
*2 1 nanometer is 1 x 10-9 or 1 / 1,000,000,000 m.

About Toshiba

Toshiba is a world-leading diversified manufacturer, solutions provider and marketer of advanced electronic and electrical products and systems. Toshiba Group brings innovation and imagination to a wide range of businesses: digital products, including LCD TVs, notebook PCs, retail solutions and MFPs; electronic devices, including semiconductors, storage products and materials; industrial and social infrastructure systems, including power generation systems, smart community solutions, medical systems and escalators & elevators; and home appliances.

Toshiba was founded in 1875, and today operates a global network of more than 590 consolidated companies, with 206,000 employees worldwide and annual sales surpassing 5.8 trillion yen (US$61 billion). Visit Toshiba's web site at www.toshiba.co.jp/index.htm

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