Circuit using dielectric unit capacitor
A dielectric and capacitor technology, applied in the field of capacitors, can solve problems such as oxide layer collapse, and achieve the effects of low gate leakage current, high unit capacitance value, and high reliability
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[0031] In order to make the above-mentioned and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments are listed below, together with the accompanying drawings, and are described in detail as follows:
[0032] The technique of stacking thin dielectric capacitors will be described in detail below. When the stacked thin dielectric capacitor has a high unit capacitance, it can still achieve high reliability of the gate oxide layer and low leakage current characteristics. The response time of the thin dielectric capacitor can be set by adjusting the poly width of the thin dielectric capacitor. Each unit capacitor includes at least two thin dielectric capacitors connected in series. The invention is particularly evident for high density ICs in which the gate dielectric thickness of the capacitors is less than 50 Ȧ and the active transistors have a minimum gate width of about 0.18 μm or smaller.
[0033] Figure 2a An equi...
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