M-Systems was a Nasdaq-listed Israeli producer of flash storage memory founded in 1989, best known for its DiskOnChip 2000 line of products for embedded computers. The NASDAQ (acronym of National Association of Securities Dealers Automated Quotations) is an American Stock exchange. For a topic outline on this subject see List of basic Israel topics. Flash memory is non-volatile computer memory that can be electrically erased and reprogrammed An embedded system is a special-purpose Computer system designed to perform one or a few dedicated functions often with Real-time computing constraints
The company was acquired by SanDisk in 2006[1]. SanDisk Corporation ( is an American Multinational corporation which designs and markets Flash memory card products
DiskOnChip
The DiskOnChip product line became popular because they could easily be integrated into small embedded applications. The device was supplied as a module in 32-pin dual in-line (DIP) packaging with a pinout and electrical interface compatible with a standard JEDEC socket for memory chips. In Microelectronics, a dual in-line package (DIP, sometimes called a DIL package is an electronic device package with a rectangular housing and two parallel rows The JEDEC Solid State Technology Association is the semiconductor engineering standardization body of the Electronic Industries Alliance (EIA It employed a memory-mapped interface with an 8-kibibyte window for models of all capacities (16MB-1GB). A kibibyte (a contraction of ki lo bi nary byte) is a unit of Information or Computer storage, established by the International Internally, a DoC module contained a controller that implemented error correction, bad block re-mapping and wear levelling functions that were used to implement a file system, TrueFFS, for which the company provided software development kits. In Mathematics, Computer science, Telecommunication, and Information theory, error detection and correction has great practical importance in A bad sector is a sector on a computer's Disk drive that cannot be used due to permanent damage such as physical damage to the disk particles Wear levelling (also written wear leveling) is a technique for prolonging the Service life of some kinds of erasable Computer storage media such as A software development kit ( SDK or " devkit " is typically a set of development tools that allows a Software engineer to create applications [2]
In early 2007, SanDisk[3] announced the End of Life for the DiskOnChip 2000 product line[4], suggesting customers migrate to the uDOC (uDiskOnChip Embedded USB Flash Disk) product, CompactFlash or SecureDigital cards, all of which are not directly compatible, requiring interface redesign. SanDisk Corporation ( is an American Multinational corporation which designs and markets Flash memory card products CompactFlash ( CF) is a Mass storage device format used in portable electronic devices Secure Digital ( SD) is a non-volatile Memory card format developed by Matsushita, SanDisk, and Toshiba for use in
References
- ^ SanDisk Completes Acquisition of Msystems. Press release, November 19, 2006
- ^ DiskOnChip 2000 DIP data sheet
- ^ SanDisk | Home
- ^ SanDisk is announcing the End of Life (EOL) of DiskOnChip (DOC) 2000. SanDisk Product Update, February 2007
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