There's an interesting article at Tech-On, by NEC, on their MRAM-based magnetic flip flip (MFF). NEC say that using such flip-flops can make low power  'standby' mode for appliances (TVs, computers, portable devices...).

Today, for example, LCD TVs have two kinds of standby - "fast standby" which consumes as much as 15W, and 'slow standby' that may consume as low as 0.1W, but may take a few seconds to show a picture when powered back on. The MFF might make it possible to design a stand-by mode that is both fast to power on, and uses minimal power.

The MFF operates at 1.2V or less and can have high-clock speed, and was actually announced in January 2009, but now NEC are giving a lot more information.

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