IBM and Georgia Tech Test 500 GHz Chip

Aron Schatz
June 20, 2006

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This is the largest overclock I have seen. This silicon germanium chip normally runs at 250 GHz at room temp. At 4.5 deg K, it runs at 500 GHz. Awesome stuff coming down the pike.


The experiments, conducted jointly by IBM and Georgia Tech, are part of a project to explore the ultimate speed limits of silicon germanium (SiGe) devices, which are said to operate faster at cold temperatures. Ultrahigh-frequency SiGe circuits have potential applications in commercial communications systems, military electronics, space and remote sensing. The research could make possible a new class of powerful, low-energy chips that will deliver future applications like HDTV and movie-quality video to cellphones, automobiles and other devices.


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