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Many past microcontrollers included both (flash memory for the firmware and a small EEPROM for parameters), though the trend with modern microcontrollers is to emulate EEPROM using flash. As of 2020, flash memory costs much less than byte-programmable EEPROM and is the dominant memory type wherever a system requires a significant amount of non ...
The NAND type is found mainly in memory cards, USB flash drives, solid-state drives (those produced since 2009), feature phones, smartphones, and similar products, for general storage and transfer of data. NAND or NOR flash memory is also often used to store configuration data in digital products, a task previously made possible by EEPROM or ...
Other examples of non-volatile memory include read-only memory (ROM), EPROM (erasable programmable ROM) and EEPROM (electrically erasable programmable ROM), ferroelectric RAM, most types of computer data storage devices (e.g. disk storage, hard disk drives, optical discs, floppy disks, and magnetic tape), and early computer storage methods such ...
Multiple bits can be stored on a single flash memory cell; Improved reliability; Higher yield since the charge trap is less susceptible to point defects in the tunnel oxide layer; While the charge-trapping concept was around earlier, it wasn't until 2002 that AMD and Fujitsu produced high-volume charge-trapping flash memory. They began the ...
A flash file system is a file system designed for storing files on flash memory–based storage devices. While flash file systems are closely related to file systems in general, they are optimized for the nature and characteristics of flash memory (such as to avoid write amplification ), and for use in particular operating systems .
Flashing [6] is a process that involves the overwriting of existing firmware or data, contained in EEPROM or flash memory module present in an electronic device, with new data. [6] This can be done to upgrade a device [ 7 ] or to change the provider of a service associated with the function of the device, such as changing from one mobile phone ...
To retrieve data from the EPROM, the address represented by the values at the address pins of the EPROM is decoded and used to connect one word (usually an 8-bit byte) of storage to the output buffer amplifiers. Each bit of the word is a 1 or 0, depending on the storage transistor being switched on or off, conducting or non-conducting.
DataFlash is a low pin-count serial interface for flash memory. It was developed as an Atmel proprietary interface, compatible with the SPI standard . In October 2012, the AT45 series DataFlash product lines, related intellectual property, and supporting employee teams were purchased by Adesto Technologies .
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