Western Digital announced that it has commenced pilot production of the company’s 512 Gigabit (Gb) three-bits-per-cell (X3) 64-layer 3D NAND (BICS3) chip in Yokkaichi, Japan, with mass production expected in the second half of 2017. The first of its kind, the chip is the latest achievement in a nearly three-decades-long legacy of flash memory industry firsts from the storage leader.
“The launch of the industry’s first 512Gb 64-layer 3D NAND chip is another important stride forward in the advancement of our 3D NAND technology, doubling the density from when we introduced the world’s first 64-layer architecture in July 2016,” said Dr. Siva Sivaram, Executive Vice President, Memory Technology, Western Digital. “This is a great addition to our rapidly broadening 3D NAND technology portfolio. It positions us well to continue addressing the increasing demand for storage due to rapid data growth across a wide range of customer retail, mobile and data center applications.”
The 512Gb 64-layer chip was developed jointly with the company’s technology and manufacturing partner Toshiba. Western Digital first introduced initial capacities of the world’s first 64-layer 3D NAND technology in July 2016 and the world’s first 48-layer 3D NANDtechnology in 2015; product shipments with both technologies continue to retail and OEM customers.
Western Digital will present a technical paper on the advancement in high aspect ratio semiconductor processing that made this technology achievement possible today, February 7, at the International Solid State Circuits Conference (ISSCC).
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