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Versatile system for accelerated stress characterization of semiconductor device structures
Versatile system for accelerated stress characterization of semiconductor device structures
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机译:多功能系统,用于加速半导体器件结构的应力表征
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摘要
The present invention provides a system (200) for performing accelerated stress characterization of a given transistor (204). Inverter circuits, formed from the given transistor, are disposed in series with one another (202). A plurality of signal taps is operatively associated with each gap between adjacent inverter circuits. Selective circuitry is operatively coupled to the plurality of signal taps, and adapted to output (206) data from a first and a second of the plurality of signal taps. A controlled voltage component (212) is operatively coupled the plurality of inverter circuits, and adapted to supply a desired supply voltage. A controlled signal component (210) is operatively coupled the plurality of inverter circuits, and adapted to supply a signal of a desired frequency thereto. An evaluation component (208) receives signal data from the first and second signal taps for evaluation or processing.
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