A 7MB/s 64Gb 3-bit/cell DDR NAND flash memory in 20nm-node technology

Recently, the demand for 3b/cell NAND flash has been increasing due to a strong market shift from 2b/cell to 3b/cell in NAND flash applications, such as USB disk drives, memory cards, MP3 players and digital still cameras that require cost effective flash memory. To further expand the 3b/cell market...

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Hauptverfasser: Ki-Tae Park, Ohsuk Kwon, Sangyong Yoon, Myung-Hoon Choi, In-Mo Kim, Bo-Geun Kim, Min-Seok Kim, Yoon-Hee Choi, Seung-Hwan Shin, Youngson Song, Joo-Yong Park, Jae-Eun Lee, Chang-Gyu Eun, Ho-Chul Lee, Hyeong-Jun Kim, Jun-Hee Lee, Jong-Young Kim, Tae-Min Kweon, Hyun-Jun Yoon, Taehyun Kim, Dong-Kyo Shim, Jongsun Sel, Ji-Yeon Shin, Pansuk Kwak, Jin-Man Han, Keon-Soo Kim, Sungsoo Lee, Young-Ho Lim, Tae-Sung Jung
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creator Ki-Tae Park
Ohsuk Kwon
Sangyong Yoon
Myung-Hoon Choi
In-Mo Kim
Bo-Geun Kim
Min-Seok Kim
Yoon-Hee Choi
Seung-Hwan Shin
Youngson Song
Joo-Yong Park
Jae-Eun Lee
Chang-Gyu Eun
Ho-Chul Lee
Hyeong-Jun Kim
Jun-Hee Lee
Jong-Young Kim
Tae-Min Kweon
Hyun-Jun Yoon
Taehyun Kim
Dong-Kyo Shim
Jongsun Sel
Ji-Yeon Shin
Pansuk Kwak
Jin-Man Han
Keon-Soo Kim
Sungsoo Lee
Young-Ho Lim
Tae-Sung Jung
description Recently, the demand for 3b/cell NAND flash has been increasing due to a strong market shift from 2b/cell to 3b/cell in NAND flash applications, such as USB disk drives, memory cards, MP3 players and digital still cameras that require cost effective flash memory. To further expand the 3b/cell market, high write and read performances are essential. Moreover, the device reliability requirements for these applications is a challenge due to continuing NAND scaling to sub-30nm pitches that increases cell-to-cell interference and disturbance. We present a high reliability 64Gb 3b/cell NAND flash with 7MB/s write rate and 200Mb/s asynchronous DDR interface in a 20m-node technology that helps to meet the expanding market demand and application requirement.
doi_str_mv 10.1109/ISSCC.2011.5746287
format Conference Proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Computer architecture
Decoding
Flash memory
Latches
Microprocessors
Reliability
Tunneling
title A 7MB/s 64Gb 3-bit/cell DDR NAND flash memory in 20nm-node technology
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