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Memories

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Flash memories (Computers)

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The subject of this bookis the complex heritage of traces, images and narratives that build the contemporary city. We are talking about urban realities that must be reread and recounted in parts, by layers, backwards, in such a way asto be able to unravel that intricate skein of overlaps that have occurred over time. They are traces very often still in situ, sometimes hidden, sometimes modified, but also distracted, fragmented, poorly concealed and hidden. Oggetto di questo volume è l’articolato patrimonio di tracce, di immagini, di narrazioni che costruiscono lacittà contemporanea. Parliamo di realtà urbane che vanno rilette e raccontate per parti, per strati, a ritroso, in maniera tale da poter sbrogliare quell’intricata matassa di sovrapposizioni che si sono succedute nel corso del tempo. Sono tracce molto spesso ancora in situ, talvolta nascoste, qualche volta modificate, ma anche distratte, frammentate, malcelate e nascoste.

Urban palimpsest --- memories --- stories --- images

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Examines the history, basic structure, and processes of NAND flash memory This book discusses basic and advanced NAND flash memory technologies, including the principle of NAND flash, memory cell technologies, multi-bits cell technologies, scaling challenges of memory cell, reliability, and 3-dimensional cell as the future technology. Chapter 1 describes the background and early history of NAND flash. The basic device structures and operations are described in Chapter 2. Next, the author discusses the memory cell technologies focused on scaling in Chapter 3, and introduces the advanced operations for multi-level cells in Chapter 4. The physical limitations for scaling are examined in Chapter 5, and Chapter 6 describes the reliability of NAND flash memory. Chapter 7 examines 3-dimensional (3D) NAND flash memory cells and discusses the pros and cons in structure, process, operations, scalability, and performance. In Chapter 8, challenges of 3D NAND flash memory are discussed. Finally, in Chapter 9, the author summarizes and describes the prospect of technologies and market for the future NAND flash memory. . Offers a comprehensive overview of NAND flash memories, with insights into NAND history, technology, challenges, evolutions, and perspectives. Describes new program disturb issues, data retention, power consumption, and possible solutions for the challenges of 3D NAND flash memory . Written by an authority in NAND flash memory technology, with over 25 years' experience NAND Flash Memory Technologies is a reference for engineers, researchers, and designers who are engaged in the development of NAND flash memory or SSD (Solid State Disk) and flash memory systems.

Flash memories (Computers) --- Computer storage devices.

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Novel circuit designs, architectures, system organizations, and management strategies for non volatile memories.

Flash memories (Computers) --- Semiconductor storage devices