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Storage Techniques in Flash Memories and Phase-change Memories

2010
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Release : 2010
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Book Synopsis Storage Techniques in Flash Memories and Phase-change Memories by : Hao Li

Download or read book Storage Techniques in Flash Memories and Phase-change Memories written by Hao Li. This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt: Non-volatile memories are an emerging storage technology with wide applica- tions in many important areas. This study focuses on new storage techniques for flash memories and phase-change memories. Flash memories are currently the most widely used type of non-volatile memory, and phase-change memories (PCMs) are the most promising candidate for the next-generation non-volatile memories. Like magnetic recording and optical recording, flash memories and PCMs have their own distinct properties, which introduce very interesting data storage problems. They include error correction, cell programming and other coding problems that affect the reliability and efficiency of data storage. Solutions to these problems can signifi- cantly improve the longevity and performance of the storage systems based on flash memories and PCMs. In this work, we study several new techniques for data storage in flash memories and PCMs. First, we study new types of error-correcting codes for flash memories 0́3 called error scrubbing codes 0́3that correct errors by only increasing cell levels. Error scrubbing codes can correct errors without the costly block erasure operations, and we show how they can outperform conventional error-correcting codes. Next, we study the programming strategies for flash memory cells, and present an adaptive algorithm that optimizes the expected precision of cell programming. We then study data storage in PCMs, where thermal interference is a major challenge for data reliability. We present two new coding techniques that reduce thermal interference, and study their storage capacities and code constructions.

Phase Change Memory

2022-05-31 Technology & Engineering
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Release : 2022-05-31
Genre : Technology & Engineering
Kind : eBook
Book Rating : 358/5 ( reviews)

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Book Synopsis Phase Change Memory by : Naveen Muralimanohar

Download or read book Phase Change Memory written by Naveen Muralimanohar. This book was released on 2022-05-31. Available in PDF, EPUB and Kindle. Book excerpt: As conventional memory technologies such as DRAM and Flash run into scaling challenges, architects and system designers are forced to look at alternative technologies for building future computer systems. This synthesis lecture begins by listing the requirements for a next generation memory technology and briefly surveys the landscape of novel non-volatile memories. Among these, Phase Change Memory (PCM) is emerging as a leading contender, and the authors discuss the material, device, and circuit advances underlying this exciting technology. The lecture then describes architectural solutions to enable PCM for main memories. Finally, the authors explore the impact of such byte-addressable non-volatile memories on future storage and system designs. Table of Contents: Next Generation Memory Technologies / Architecting PCM for Main Memories / Tolerating Slow Writes in PCM / Wear Leveling for Durability / Wear Leveling Under Adversarial Settings / Error Resilience in Phase Change Memories / Storage and System Design With Emerging Non-Volatile Memories

Nonvolatile Memory Design

2017-12-19 Computers
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Release : 2017-12-19
Genre : Computers
Kind : eBook
Book Rating : 193/5 ( reviews)

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Book Synopsis Nonvolatile Memory Design by : Hai Li

Download or read book Nonvolatile Memory Design written by Hai Li. This book was released on 2017-12-19. Available in PDF, EPUB and Kindle. Book excerpt: The manufacture of flash memory, which is the dominant nonvolatile memory technology, is facing severe technical barriers. So much so, that some emerging technologies have been proposed as alternatives to flash memory in the nano-regime. Nonvolatile Memory Design: Magnetic, Resistive, and Phase Changing introduces three promising candidates: phase-change memory, magnetic random access memory, and resistive random access memory. The text illustrates the fundamental storage mechanism of these technologies and examines their differences from flash memory techniques. Based on the latest advances, the authors discuss key design methodologies as well as the various functions and capabilities of the three nonvolatile memory technologies.

Advances in Non-volatile Memory and Storage Technology

2014-06-24 Computers
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Release : 2014-06-24
Genre : Computers
Kind : eBook
Book Rating : 098/5 ( reviews)

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Book Synopsis Advances in Non-volatile Memory and Storage Technology by : Yoshio Nishi

Download or read book Advances in Non-volatile Memory and Storage Technology written by Yoshio Nishi. This book was released on 2014-06-24. Available in PDF, EPUB and Kindle. Book excerpt: New solutions are needed for future scaling down of nonvolatile memory. Advances in Non-volatile Memory and Storage Technology provides an overview of developing technologies and explores their strengths and weaknesses. After an overview of the current market, part one introduces improvements in flash technologies, including developments in 3D NAND flash technologies and flash memory for ultra-high density storage devices. Part two looks at the advantages of designing phase change memory and resistive random access memory technologies. It looks in particular at the fabrication, properties, and performance of nanowire phase change memory technologies. Later chapters also consider modeling of both metal oxide and resistive random access memory switching mechanisms, as well as conductive bridge random access memory technologies. Finally, part three looks to the future of alternative technologies. The areas covered include molecular, polymer, and hybrid organic memory devices, and a variety of random access memory devices such as nano-electromechanical, ferroelectric, and spin-transfer-torque magnetoresistive devices. Advances in Non-volatile Memory and Storage Technology is a key resource for postgraduate students and academic researchers in physics, materials science, and electrical engineering. It is a valuable tool for research and development managers concerned with electronics, semiconductors, nanotechnology, solid-state memories, magnetic materials, organic materials, and portable electronic devices. Provides an overview of developing nonvolatile memory and storage technologies and explores their strengths and weaknesses Examines improvements to flash technology, charge trapping, and resistive random access memory Discusses emerging devices such as those based on polymer and molecular electronics, and nanoelectromechanical random access memory (RAM)

Nonvolatile Memory Technologies with Emphasis on Flash

2011-09-23 Technology & Engineering
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Release : 2011-09-23
Genre : Technology & Engineering
Kind : eBook
Book Rating : 626/5 ( reviews)

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Book Synopsis Nonvolatile Memory Technologies with Emphasis on Flash by : Joe Brewer

Download or read book Nonvolatile Memory Technologies with Emphasis on Flash written by Joe Brewer. This book was released on 2011-09-23. Available in PDF, EPUB and Kindle. Book excerpt: Presented here is an all-inclusive treatment of Flash technology, including Flash memory chips, Flash embedded in logic, binary cell Flash, and multilevel cell Flash. The book begins with a tutorial of elementary concepts to orient readers who are less familiar with the subject. Next, it covers all aspects and variations of Flash technology at a mature engineering level: basic device structures, principles of operation, related process technologies, circuit design, overall design tradeoffs, device testing, reliability, and applications.

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