7.26 an ic inverter fabricated in a 65-nm cmos process is found to have a load capacitance of 3 ff. if the inverter is operated from a 1.2-v power supply, find the energy needed to charge and discharge the load capacitance. if the ic chip has 5 million of these inverters operating at an average switching frequency of 2.5 ghz, what is the power dissipated in the chip? what is the average current drawn from the power supply?

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30-11-2022
Engineering

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7.26 an ic inverter fabricated in a 65-nm cmos process is found to have a load capacitance of 3 ff. if the inverter is operated from a 1.2-v power supply, find the energy needed to charge and discharge the load capacitance. if the ic chip has 5 million of these inverters operating at an average switching frequency of 2.5 ghz, what is the power dissipated in the chip? what is the average current drawn from the power supply?

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NomulaHarsh NomulaHarsh · Answer 1 · 2022-12-02T11:28:42+01:00

In order to charge and discharge the load capacitance, 1.2V x 3F x 2 = 7.2 Joules of energy are required.

The chip can dissipate 7.2 Joules × 5,000,000 x 2.5 GHz, which is 90,000,000 Joules/s, or 90 MW.

The power supply is being used at an average current of 90 MW / 1.2V = 75 A.

What is energy?

Energy is the quantifiable attribute that is transmitted to a body or a physical system in physics. It is observable in the production of work as well as in the form of light and heat. Energy can be transformed in form but cannot be created or destroyed, according to the rule of conservation of energy.

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