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StrataFlash is a NOR
StrataFlash is a NOR flash memory
Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for the NOR and NAND logic gates. Both us ...
technology first developed by Intel
Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 seri ...
.
It stores two or more bits of information per cell rather than just one, in an architecture called multi-level cell
In electronics, a multi-level cell (MLC) is a memory cell capable of storing more than a single bit of information, compared to a single-level cell (SLC), which can store only one bit per memory cell. A memory cell typically consists of a single ...
(MLC). This is accomplished by storing intermediate voltage levels instead of using only the two levels (discharged = "0" and charged = "1") of traditional binary memories. The StrataFlash technology evolved out of Intel's ETOX flash memory products. Two bits per cell are achieved with four levels of voltage, while three bits per cell can be achieved with eight levels.
Research of this technology began in 1992 and the first commercial products were released in 1997.
Further developments allowed faster read speeds by offering synchronous burst mode and asynchronous page mode read operations.
References
Computer memory Non-volatile memory Solid-state computer storage media {{compu-storage-stub