Abstract

Researchers at Hewlett Packard Laboratories in California have developed a low power technique for reading memristor crossbar arrays. Their method drastically reduces power consumption and can sense a single memristor state without disturbing adjacent elements.The memristor is the fourth class of two-terminal passive circuit element after the resistor, the capacitor and the inductor. It was proposed by Leon Chua in 1971, but a practical solid-state realisation did not appear until 2008 when a team at Hewlett Packard developed a switching memristor based on titanium dioxide thin films. Since then, research into memristor technology has increased as new challenges have presented themselves, including the control of power leakage and consumption.

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