Phase-change memory

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Notion

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Science and technology

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What Wikipedia says

Phase-change memory (also known as PCM, PCME, PRAM, PCRAM, OUM (ovonic unified memory) and C-RAM or CRAM (chalcogenide RAM)) is a type of non-volatile random-access memory. PRAMs exploit the unique behaviour of chalcogenide glass.

Excerpt from the Wikipedia article “Phase-change memory”, under the CC BY-SA 4.0 license. Read the article on Wikipedia