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Dynamic Substrate Bias for PMOS Transistors to Alleviate NBTI Degradation
Dynamic Substrate Bias for PMOS Transistors to Alleviate NBTI Degradation
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机译:PMOS晶体管的动态衬底偏置可减轻NBTI退化
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摘要
This invention discloses a system and method for suppressing negative bias temperature instability in PMOS transistors, the system comprises a PMOS transistor having a source connected to a power supply, and a voltage control circuitry configured to output a first and a second voltage level, the first and second voltage levels being different from each other, the first voltage level is lower than the power supply voltage, the second voltage level is equal to or higher than the power supply voltage, wherein when the PMOS transistor is turned on, the first voltage level is applied to a substrate of the PMOS transistor, and when the PMOS transistor is turned off, the second voltage level is applied to the substrate of the PMOS transistor.
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