A Unified Approach to Submicron DC MOS Transistor Modeling for Low-Voltage ICs |
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Authors: | Steve H Jen Bing J Sheu Yoichi Oshima |
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Affiliation: | (1) Department of Electrical Engineering and Integrated Media Systems Center, University of Southern California, Los Angeles, CA, 90089-0271 |
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Abstract: | A unified single-equation approach for the MOS transistordrain current modeling for energy-efficient submicron MOS circuitsis presented. Instead of three sets of separate equations forthe triode, saturation, and weak inversion regions, only a continuousexpression which is valid to describe the behavior of drain currentand the derivatives in all operation regions can be realizedby using a combination of hyperbola, sigmoid, and interpolationmethods. The model expression can predict accurate results forthe current, output conductance, and transconductance with continuousand smooth characteristics. The simulation results agree wellwith experimental data. |
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