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What does Phase Change Memory (PCM) Mean?
Phase change memory is also known as RAM, PCME, PRAM, PCRAM unified memory, chalcogenide RAM and C-RAM.
PCM is regarded as an emerging technologies. PCM technology can supply high-density, high-volume and cost-effective nonvolatile storage.
From the amorphous state (or disordered phase), the material in PCM memory includes high electric resistance. In the crystalline state (or ordered phase), it has less resistance. Thus current is allowed to be turned on and off to represent digital low and high states.
This really is only one of several memory technology competing to replace flash memory, and it has a variety of issues. Where writing is necessary phase change memory could offer performance. Flash memory excels with every burst of voltage. Phase change memory devices also degrade, but at a significantly slower speed. However, a information structure called generalized suffix tree, thermal growth throughout metal migration programming and other unknown mechanisms limits the lifetime of memory.
Additionally, unlike flash memory, PCM does not demand a different “erase” measure when altering stored information from one to zero or to one. PCM is faster and bit-alterable for writing and reading information.
Several famous organizations, like the IBM, Intel, Samsung, etc., are conducting research into PCM technology. Some industry experts feel that PCM may be the future’s information storage technologies, substituting hard drives.
More Info On Phase Change Memory (PCM)
Micron Technology, among the world’s leading providers of advanced semiconductor solutions, today announced an industry first using high-volume accessibility to its 45-nanometer (nm) Phase Change Memory (PCM) for mobile devices, …