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20.CMOS_digital

20.CMOS_digital - 1 3 major concerns for digital CMOS L...

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1 3 major concerns for digital CMOS 3 major concerns for digital CMOS 1. Increasing I ON via mobility improvement 2. Reducing gate leakage via thicker, high- k dielectrics 3. Controlling V T and I subt via suppression of the short-channel effect • L cannot be further reduced without adversely affecting V T 0 and I subt • TOX cannot be further reduced without causing excessive gate leakage current • Some other way needs to be found to increase I ON Remedies for CMOS45: 1,3 started at CMOS90 2 is new to CMOS45
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