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Gate Oxide Capacitance Formula

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Capacitance of Gate Oxide Layer is defined as the capacitance of the gate terminal of a field-effect transistor. Check FAQs

C ox = \frac{C g}{W g \cdot L g}

C_ox - Capacitance of Gate Oxide Layer?C_g - Gate Capacitance?W_g - Gate Width?L_g - Gate Length?

Gate Oxide Capacitance Example

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Here is how the Gate Oxide Capacitance equation looks like with Values.

Here is how the Gate Oxide Capacitance equation looks like with Units.

Here is how the Gate Oxide Capacitance equation looks like.

29.8371 = \frac{59.61}{0.285 \cdot 7.01}

29.8371μF/mm² = \frac{59.61μF}{0.285mm \cdot 7.01mm}

29.8371 = \frac{59.61}{0.285 \cdot 7.01}

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Gate Oxide Capacitance Solution

Follow our step by step solution on how to calculate Gate Oxide Capacitance?

FIRST Step Consider the formula

C ox = \frac{C g}{W g \cdot L g}

Next Step Substitute values of Variables

∴

C ox = \frac{59.61μF}{0.285mm \cdot 7.01mm}

Next Step Convert Units

∴

C ox = \frac{6E-5F}{0.0003m \cdot 0.007m}

Next Step Prepare to Evaluate

∴

C ox = \frac{6E-5}{0.0003 \cdot 0.007}

Next Step Evaluate

∴

C ox = 29.8370748554696F/m²

Next Step Convert to Output's Unit

∴

C ox = 29.8370748554696μF/mm²

LAST Step Rounding Answer

∴

C ox = 29.8371μF/mm²

Gate Oxide Capacitance Formula Elements

Variables

Capacitance of Gate Oxide Layer

Capacitance of Gate Oxide Layer is defined as the capacitance of the gate terminal of a field-effect transistor.

Symbol: C_ox

Measurement: Oxide Capacitance Per Unit AreaUnit: μF/mm²

Note: Value should be greater than 0.

Formulas to find Capacitance of Gate Oxide Layer

Gate Capacitance

Gate Capacitance is the capacitance of the gate terminal of a field-effect transistor.

Symbol: C_g

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Gate Capacitance

Gate Width

Gate Width refers to the distance between the edge of a metal gate electrode and the adjacent semiconductor material in a CMOS.

Symbol: W_g

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Gate Width

Gate Length

Gate Length is the measurement or extent of something from end to end.

Symbol: L_g

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Gate Length

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V x = E x \cdot E ch

Go DIBL Coefficient

η = \frac{V t0 - V t}{V ds}

How to Evaluate Gate Oxide Capacitance?

Gate Oxide Capacitance evaluator uses Capacitance of Gate Oxide Layer = Gate Capacitance/(Gate Width*Gate Length) to evaluate the Capacitance of Gate Oxide Layer, Gate Oxide Capacitance formula is defined as the capacitance of the oxide layer of the MOSFETs. It is the measure of the capacitance of the thin insulating layer (gate oxide) that separates the gate terminal from the channel region. Capacitance of Gate Oxide Layer is denoted by C_ox symbol.

How to evaluate Gate Oxide Capacitance using this online evaluator? To use this online evaluator for Gate Oxide Capacitance, enter Gate Capacitance (C_g), Gate Width (W_g) & Gate Length (L_g) and hit the calculate button.

FAQs on Gate Oxide Capacitance

What is the formula to find Gate Oxide Capacitance?

The formula of Gate Oxide Capacitance is expressed as Capacitance of Gate Oxide Layer = Gate Capacitance/(Gate Width*Gate Length). Here is an example- 29.83707 = 5.961E-05/(0.000285*0.00701).

How to calculate Gate Oxide Capacitance?

With Gate Capacitance (C_g), Gate Width (W_g) & Gate Length (L_g) we can find Gate Oxide Capacitance using the formula - Capacitance of Gate Oxide Layer = Gate Capacitance/(Gate Width*Gate Length).

Can the Gate Oxide Capacitance be negative?

No, the Gate Oxide Capacitance, measured in Oxide Capacitance Per Unit Area cannot be negative.

Which unit is used to measure Gate Oxide Capacitance?

Gate Oxide Capacitance is usually measured using the Microfarad per Square Millimeter[μF/mm²] for Oxide Capacitance Per Unit Area. Farad per Square Meter[μF/mm²], Nanofarad per Square Centimeter[μF/mm²], Microfarad per Square Centimeter[μF/mm²] are the few other units in which Gate Oxide Capacitance can be measured.

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Gate Oxide Capacitance Formula

Gate Oxide Capacitance Example

Gate Oxide Capacitance Solution

Gate Oxide Capacitance Formula Elements

Other formulas in VLSI Material Optimization category

How to Evaluate Gate Oxide Capacitance?

FAQs on Gate Oxide Capacitance

Variable Name