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Flash memory is a non-volatile computer memory storage medium that can be electrically erased and reprogrammed. It has two main types, NOR and NAND, that differ in circuit design and applications. Learn about its invention, structure, and uses from this Wikipedia article.
A flash file system is a file system designed for storing files on flash memory-based storage devices. Learn about the origins, characteristics, and types of flash file systems, such as JFFS2, YAFFS, UBIFS, and F2FS.
The maximum speed will depend upon the number of parallel flash channels connected to the SSD controller, the efficiency of the firmware, and the speed of the flash memory in writing to a page. During this phase the write amplification will be the best it can ever be for random writes and will be approaching one.
A log-structured filesystem is a file system in which data and metadata are written sequentially to a circular buffer, called a log.The design was first proposed in 1988 by John K. Ousterhout and Fred Douglis and first implemented in 1992 by Ousterhout and Mendel Rosenblum for the Unix-like Sprite distributed operating system.
Multi-level cell (MLC) is a memory cell that can store more than one bit of information, such as triple-level cell (TLC) or quad-level cell (QLC). Learn how MLC works, how it differs from single-level cell (SLC), and what are its pros and cons for flash memory.
The Common Flash Memory Interface (CFI) is an open standard jointly developed by AMD, Intel, Sharp and Fujitsu. It is implementable by all flash memory vendors, and has been approved by the non-volatile-memory subcommittee of JEDEC. [1] [2] The goal of the specification is the interchangeability of flash memory devices offered by different ...
The external bus interface, usually shortened to EBI, is a computer bus for interfacing small peripheral devices like flash memory with the processor. It is used to expand the internal bus of the processor to enable connection with external memories or other peripherals. EBI can be used to share I/O pins controlling memory devices that are ...
Ferroelectric RAM (FeRAM) is a random-access memory that uses a ferroelectric layer to store data. It has advantages over flash memory in power consumption, write speed and endurance, but also lower density and higher cost.