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What is NAND flash?
Flash memory chips are constructed of either NOR or NAND gates. Developed by Toshiba, NAND flash works like a disk rather than memory. It has faster erase and write times, higher density, and lower cost per bit than NOR flash, and ten times the endurance. However, its I/O interface allows only sequential access to data, which makes it suitable for mass-storage devices and somewhat less useful for computer memory.
total search1640 articles
2008-06-25 Host Design Considerations: NAND MMC and SD-based Products
SanDisk's MultiMediaCard (MMC) and Secure Digital (SD) Card have been designed into a wide variety of consumer electronic products: MP3 players, cellphones, PDAs, digital still and video cameras, data loggers, and more. This application note will review these options and provide recommendations on the optimum way to manage them.
2009-06-09 Hamming codes for NAND flash memory devices
This application note describes the use of simple Hamming codes to detect and correct data corruption that occurs during normal SLC NAND flash device operation.
2011-10-24 Guide to using MCF54418 NAND flash controller
Here's a general discussion on how to use the MCF5441x NAND flash memory controller.
2006-09-01 Getting reacquainted with NAND flash
For many consumer audio and video products, NAND flash memory is a better storage choice than HDD, especially in low-capacity applications (4Gbytes or less).
2009-01-14 Gear up for 32nm NAND chips
SanDisk Corp. disclosed that it will roll out 32nm devices in 2009. Its partner, Toshiba Corp., is also reported to roll out 32nm NAND chips in the later part of the year.
2006-06-23 Gartner: iPod, other PMPs to drive NAND sales
Gartner forecasts that the market for Apple's iPod and other portable media players will drive sales of NAND flash memory in the second half of 2006.
2004-11-29 Garbage collection in single level cell NAND flash memories
This app note describes the garbage collection algorithm that STMicro recommends to implement in the flash translation layer (FTL) software for NAND flash memories.
2015-10-30 Flash storage: 3D TLC NAND to beat MLC (Part 2)
In the first instalment of this series, we discuss alternate methods to increase density, as well as how a new innovation addresses SSD challenges surprisingly well.
2015-10-27 Flash storage: 3D TLC NAND to beat MLC (Part 1)
In the first instalment of this series, we look into the advantages as well as challenges associated with solid state drives (SSDs).
2006-01-20 Flash memory subsystems combine best of NAND, NOR
Spansion entered the NAND flash memory portion of the cellphone market through a family of memory subsystems that integrate 90nm MirrorBit ORNAND flash memory with its NOR flash devices.
2007-10-01 Flash makers position for NAND surge
Seeking to gain ground on Samsung Electronics, NAND flash rivals Hynix Semiconductor, IM Flash Technologies and Toshiba are quietly expanding their production and readying a new class of sub-45nm devices.
2010-10-05 First hybrid optical drive with onboard storage uses Micron 25nm NAND
Micron announced that Hitachi-LG Data Storage Inc. (HLDS) has chosen Micron's 25nm NAND as the flash memory solution for its new hybrid optical disk drive.
2006-03-30 Firm cuts NAND forecast, ups DRAM outlook
In a major turn of events, iSuppli has cut its forecast for the NAND-based flash memory market in 2006, but raised its outlook for DRAMs.
2012-06-26 Fabless firm rolls 256Mb/512Mb SLC NAND flash
ATO Solution is mass producing 256Mb and 512MB SLC NAND flash products that offer 1.8V and 3.3V options as well as 2.64MB/s for program-write-output, and 267Mb/s I/O data transfer rate.
2008-11-17 Explore NAND flash implementation options
Several factors are contributing to the challenges of designing NAND flash memory subsystems. Presented in this article are different NAND flash implementations.
2009-08-21 Experts take on NAND, SSD issues
The recently-concluded Flash Memory Summit brought a range of opinions on the state of the NAND industry, scaling, 3-bit-per-cell and solid-state drives (SSDs). Here are some of the comments from the experts.
2016-06-06 Expect NAND flash demand to return by second half of 2016
End-of-market demand for NAND flash is picking up and is expected to cause a supply-demand balance by the third quarter of 2016, according to DRAMeXchange.
2010-12-06 Error-correcting NAND touts higher capacity, optimization
Micron uses error management techniques in new line of NAND products
2004-11-29 Error correction code in NAND flash memories
This app note describes how to implement an error correction code (ECC), in STMicro NAND flash memories, which can detect 2bit errors and correct 1bit errors per 256Bytes.
2014-09-03 Eon Silicon, China Sigma team up for NAND flash
The Eon-China Sigma joint venture is likely to focus on the development and production of SLC NAND flash chips, to compete with Taiwan-based flash memory suppliers Macronix and Winbond.
2010-04-19 DRAMs, NAND flash shortages loom
DRAM and NAND flash memory supplies are tight right now and OEMs could find themselves on the outside looking in for parts.
2008-09-25 DRAM, NAND prices suffer another slide
Spot pricing for DRAM and NAND flash devices slipped again, according to market research firm Gartner Inc.
2010-06-02 DRAM, NAND markets shuffle IC vendor ranking
Ten of the top 20 semiconductor vendors as ranked by sales altered positions in Q1, with surging markets for DRAM and NAND flash memory largely responsible for shaking up the rankings.
2006-06-22 DRAM, NAND flash prices down
Spot prices for DRAMs and NAND flash memories fell last week amid lackluster demand in the marketplace.
2006-08-31 DRAM prices jump, NAND stops slide, report says
Spot prices for DDR2 DRAM memory chips surged last week, which expects the upward pricing trend to continue through September, according to a recent report issued by DRAMeXchange.
2012-04-03 Developing NAND flash controller with high-level synthesis
Read about the application of a commercial HLS tool to a NAND flash controller with an error correction code block.
2007-03-09 Despite NAND glut, IM Flash continues with expansion plans
Despite horrible market conditions that have decimated the ASPs of NAND flash memory chips over the past few months, IM Flash Technologies will push ahead with its aggressive capacity expansion plans.
2014-07-08 Deposition, etch equipment revs up 3D NAND ramp-up
The equipment from Lam Research addresses the need for three of the most critical steps in forming 3D NAND memory cells: stack deposition, vertical channel etching, and tungsten wordline deposition.
2012-10-20 Demand surge lifts NAND flash contract price
TrendForce revealed that OEM orders from smartphone, tablet and ultrabook clients will be concentrated at around September to early November, resulting in increased demand.
2010-07-27 DDR 2.0 NAND coming up
Samsung and Toshiba have announced they will develop a second-generation double data rate (DDR) NAND flash memory specification with a 400-Mbit/s interface. The two companies started participating in standardization efforts for DDR 2.0 through the JEDEC Solid State Technology Association last month.
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