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You are here: ZDNet.co.uk > Reviews > Hardware > Components

Processors Toolkit

Photos: Intel's Silverthorne, Tukwila

Rupert Goodwins ZDNet.co.uk

Published: 05 Feb 2008 16:28 GMT

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Phase Change Memory

By heating up a tiny blob of phase change compound, the chip can set it to one of four distinct states – thus capturing two bits per cell. The chip intelligently does this by sending pulses of electricity and measuring the result until the desired state is reached – clever, but slow. This prototype design can only manage a write time of 2 microseconds.

Photo credit: Intel

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