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Paper Abstract and Keywords
Presentation 2023-04-11 11:00
[Invited Talk] 1 Tb 4b/Cell 176-Tier 3D NAND Flash with 4 Independent Planes for Read
Tomoharu Tanaka (MMJ) ICD2023-9
Abstract (in Japanese) (See Japanese page) 
(in English) In the presentation, a 1Tb 4b/cell 3D-NAND-Flash memory on a 176-tier technology with a 14.7Gb/mm2 bit density is shown with its innovative features. The die is organized using a 4-plane architecture for multiplane operations with a 16KB page size. The 4-plane architecture improves both program and read throughput, without increasing the die size. Periphery circuitry and page buffers are placed under the array using 5th-generation CMOS under Array (CuA) technology. To improve random read performance, a faster read is provided with a read concurrency feature, allowing four independent multiplane page read addresses. The programming operation is based on a 16-16 programming algorithm. The I/O transfer speed is 1600MT/s in ONFI4.2.
Keyword (in Japanese) (See Japanese page) 
(in English) flash memory / 3D-NAND / QLC / read concurrency / CuA / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 1, ICD2023-9, pp. 17-17, April 2023.
Paper # ICD2023-9 
Date of Issue 2023-04-03 (ICD) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ICD2023-9

Conference Information
Committee ICD  
Conference Date 2023-04-10 - 2023-04-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To ICD 
Conference Code 2023-04-ICD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 1 Tb 4b/Cell 176-Tier 3D NAND Flash with 4 Independent Planes for Read 
Sub Title (in English)  
Keyword(1) flash memory  
Keyword(2) 3D-NAND  
Keyword(3) QLC  
Keyword(4) read concurrency  
Keyword(5) CuA  
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1st Author's Name Tomoharu Tanaka  
1st Author's Affiliation Micron Memory Japan, K.K. (MMJ)
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Speaker Author-1 
Date Time 2023-04-11 11:00:00 
Presentation Time 50 minutes 
Registration for ICD 
Paper # ICD2023-9 
Volume (vol) vol.123 
Number (no) no.1 
Page p.17 
#Pages 1 
Date of Issue 2023-04-03 (ICD) 

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