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Total Source Parasitic Capacitance Formula

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Source Parasitic Capacitance is an unavoidable and usually unwanted capacitance. Check FAQs

C sop = (C jbs \cdot A s) + (C bsw \cdot P s)

C_sop - Source Parasitic Capacitance?C_jbs - Capacitance between Junction of Body and Source?A_s - Area of Source Diffusion?C_bsw - Capacitance between Junction of Body and Side wall?P_s - Sidewall Perimeter of Source Diffusion?

Total Source Parasitic Capacitance Example

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Here is how the Total Source Parasitic Capacitance equation looks like with Values.

Here is how the Total Source Parasitic Capacitance equation looks like with Units.

Here is how the Total Source Parasitic Capacitance equation looks like.

0.419 = (76.46 \cdot 5479) + (0.1391 \cdot 301.64)

0.419μF/mm² = (76.46μF/mm² \cdot 5479mm²) + (0.1391μF/mm \cdot 301.64mm)

0.419 = (76.46 \cdot 5479) + (0.1391 \cdot 301.64)

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Total Source Parasitic Capacitance Solution

Follow our step by step solution on how to calculate Total Source Parasitic Capacitance?

FIRST Step Consider the formula

C sop = (C jbs \cdot A s) + (C bsw \cdot P s)

Next Step Substitute values of Variables

∴

C sop = (76.46μF/mm² \cdot 5479mm²) + (0.1391μF/mm \cdot 301.64mm)

Next Step Convert Units

∴

C sop = (76.46F/m² \cdot 0.0055m²) + (0.0001F/m \cdot 0.3016m)

Next Step Prepare to Evaluate

∴

C sop = (76.46 \cdot 0.0055) + (0.0001 \cdot 0.3016)

Next Step Evaluate

∴

C sop = 0.418966298124F/m²

Next Step Convert to Output's Unit

∴

C sop = 0.418966298124μF/mm²

LAST Step Rounding Answer

∴

C sop = 0.419μF/mm²

Total Source Parasitic Capacitance Formula Elements

Variables

Source Parasitic Capacitance

Source Parasitic Capacitance is an unavoidable and usually unwanted capacitance.

Symbol: C_sop

Measurement: Oxide Capacitance Per Unit AreaUnit: μF/mm²

Note: Value should be greater than 0.

Formulas to find Source Parasitic Capacitance

Capacitance between Junction of Body and Source

Capacitance between Junction of Body and Source is defined as the capacitance between the junction of the body and the source junction of MOSFET.

Symbol: C_jbs

Measurement: Oxide Capacitance Per Unit AreaUnit: μF/mm²

Note: Value should be greater than 0.

Formulas to find Capacitance between Junction of Body and Source

Area of Source Diffusion

Area of Source Diffusion is defined as net movement of anything from a region of higher concentration to a region of lower concentration area in the source gate.

Symbol: A_s

Measurement: AreaUnit: mm²

Note: Value should be greater than 0.

Formulas to find Area of Source Diffusion

Capacitance between Junction of Body and Side wall

Capacitance between Junction of Body and Side wall is a parasitic capacitance that can affect circuit performance.

Symbol: C_bsw

Measurement: PermittivityUnit: μF/mm

Note: Value should be greater than 0.

Formulas to find Capacitance between Junction of Body and Side wall

Sidewall Perimeter of Source Diffusion

Sidewall Perimeter of Source Diffusion is defined as perimeter of source diffusion not including edge under gate.

Symbol: P_s

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Sidewall Perimeter of Source Diffusion

Other formulas in VLSI Material Optimization category

Go Body Effect Coefficient

γ = mod \underset{̲}{u} s (\frac{V t - V t0}{\sqrt{Φ s + (V sb)} - \sqrt{Φ s}})

Go Channel Charge

Q ch = C g \cdot (V gc - V t)

Go Critical Voltage

V x = E x \cdot E ch

Go DIBL Coefficient

η = \frac{V t0 - V t}{V ds}

How to Evaluate Total Source Parasitic Capacitance?

Total Source Parasitic Capacitance evaluator uses Source Parasitic Capacitance = (Capacitance between Junction of Body and Source*Area of Source Diffusion)+(Capacitance between Junction of Body and Side wall*Sidewall Perimeter of Source Diffusion) to evaluate the Source Parasitic Capacitance, The Total Source Parasitic Capacitance formula is defined as an unavoidable and usually unwanted capacitance that exists between the parts of an electronic component or circuit simply because of their proximity to each other. Source Parasitic Capacitance is denoted by C_sop symbol.

How to evaluate Total Source Parasitic Capacitance using this online evaluator? To use this online evaluator for Total Source Parasitic Capacitance, enter Capacitance between Junction of Body and Source (C_jbs), Area of Source Diffusion (A_s), Capacitance between Junction of Body and Side wall (C_bsw) & Sidewall Perimeter of Source Diffusion (P_s) and hit the calculate button.

FAQs on Total Source Parasitic Capacitance

What is the formula to find Total Source Parasitic Capacitance?

The formula of Total Source Parasitic Capacitance is expressed as Source Parasitic Capacitance = (Capacitance between Junction of Body and Source*Area of Source Diffusion)+(Capacitance between Junction of Body and Side wall*Sidewall Perimeter of Source Diffusion). Here is an example- 0.418966 = (76.46*0.005479)+(0.0001391*0.30164).

How to calculate Total Source Parasitic Capacitance?

With Capacitance between Junction of Body and Source (C_jbs), Area of Source Diffusion (A_s), Capacitance between Junction of Body and Side wall (C_bsw) & Sidewall Perimeter of Source Diffusion (P_s) we can find Total Source Parasitic Capacitance using the formula - Source Parasitic Capacitance = (Capacitance between Junction of Body and Source*Area of Source Diffusion)+(Capacitance between Junction of Body and Side wall*Sidewall Perimeter of Source Diffusion).

Can the Total Source Parasitic Capacitance be negative?

No, the Total Source Parasitic Capacitance, measured in Oxide Capacitance Per Unit Area cannot be negative.

Which unit is used to measure Total Source Parasitic Capacitance?

Total Source Parasitic 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 Total Source Parasitic Capacitance can be measured.

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Total Source Parasitic Capacitance Formula

Total Source Parasitic Capacitance Example

Total Source Parasitic Capacitance Solution

Total Source Parasitic Capacitance Formula Elements

Other formulas in VLSI Material Optimization category

How to Evaluate Total Source Parasitic Capacitance?

FAQs on Total Source Parasitic Capacitance

Variable Name