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ISSCC 2009Session 13 · FLASH MEMORYMemory48nm

A 48nm 32Gb 8-Level NAND Flash Memory with 5.5MB/s Program Throughput

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📋 论文概要

该论文提出了一款采用48nm工艺的32Gb 8-level (3-bit per cell) NAND闪存芯片,实现了5.5MB/s的编程吞吐量,旨在降低每比特成本并提高存储密度,满足消费电子和固态硬盘等应用需求。

💡 主要创新点

工艺节点
48nm
重要性
发表年份
ISSCC 2009

🏷 关键词

NAND闪存8-level cell48nm工艺32Gb编程吞吐量

📄 原文摘要

Jung-Chul Han, In-Soo Wang, kyu-hee Lim, Jung-Hwan Lee, Ji-Hwan Kim, Won-Kyung Kang, Tai-Kyu Kang, Hee-Su Byun, Yu-Jong Noh, Lee-Hyun Kwon, Bon-Kwang Koo, Myung Cho, Joong-Seob Yang, Yo-Hwan Koh Hynix Semiconductor, Icheon, Korea. Lower cost per bit and higher density NAND Flash memory is a general trend in nonvolatile memory applications, such as MP3 players, digital still cameras, video camcorders, USB memories and solid-state disk. Technology scaling has become expected from consumers and recently higher number of bits per cell, such as 8-level cell or 16-level cell, is becoming a viable alternative solution due to difficulties in scaling. However, a higher number of bits per cell has two technical hurdles to overcome. One is low program throughput and the other is insufficient VT-window margin. We design 32Gb 8-level NAND Flash memory with 5.5MB/s program performance that addresses these

👥 作者与机构

Seung-Ho Chang, Sok-kyu Lee, Seong-Je Park, Min-Joong Jung,

分类:Memory · 年份:ISSCC 2009