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Kioxia, Western Digital Launch 6th-Gen 3D Flash Memory

Kioxia Corporation and Western Digital have released their sixth-generation, 162-layer 3D flash memory technology.

KioxiaMarking the next milestone in the companies’ 20-year joint-venture partnership, this is the companies’ highest density and most advanced 3D flash memory technology to date, utilizing a wide range of technology and manufacturing innovations.

“Through our strong partnership that has spanned two decades, Kioxia and Western Digital have successfully created unrivaled capabilities in manufacturing and R&D,” said Masaki Momodomi, Chief Technology Officer, Kioxia. “Together, we produce over 30 percent of the world’s flash memory bits and are steadfast in our mission to provide exceptional capacity, performance and reliability at a compelling cost. We each deliver this value proposition across a range of data-centric applications from personal electronics to data centers as well as emerging applications enabled by 5G networks, artificial intelligence and autonomous systems.”

“As Moore’s Law reaches its physical limits across the semiconductor industry, there’s one place where Moore’s Law continues its relevancy — that’s in flash,” said Siva Sivaram, President of Technology & Strategy, Western Digital. “To continue these advances and meet the world’s growing data demands, a new approach to 3D flash memory scaling is critical. With this new generation, Kioxia and Western Digital are introducing innovations in vertical as well as lateral scaling to achieve greater capacity in a smaller die with fewer layers. This innovation ultimately delivers the performance, reliability and cost that customers need.”

This sixth-generation 3D flash memory features advanced architecture beyond the conventional eight-stagger memory hole array and achieves up to 10 percent greater lateral cell array density compared to the fifth-generation technology.

The Kioxia and Western Digital teams also applied Circuit Under Array CMOS placement and four-plane operation, which together deliver nearly 2.4 times improvement in program performance and 10 percent improvement in reading latency compared to the previous generation.

I/O performance also improves by 66 percent, enabling the next-generation interface to support the ever-increasing need for faster transfer rates.

Overall, the new 3D flash memory technology reduces the cost per bit, as well as increases the manufactured bits per wafer by 70 percent, compared with the previous generation.

Kioxia and Western Digital continue to drive innovation to ensure continued scaling to meet the needs of customers and their diverse applications.

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Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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