Transition Width of CMOS Calculator

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✖MOS Gate Overlap Capacitance is a capacitance that comes from the construction of the device itself and is usually associated with its internal PN junctions.ⓘ MOS Gate Overlap Capacitance [C_mos]			+10% -10%
✖MOS Gate Capacitance is an important factor in calculating the gate overlap capacitance.ⓘ MOS Gate Capacitance [C_gs]			+10% -10%

✖Transition Width is defined as the increase in width when drain-to-source voltage increases, resulting the triode region transitioning to the saturation region.ⓘ Transition Width of CMOS [W]

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Transition Width of CMOS

Formula

`"W" = "C"_{"mos"}/"C"_{"gs"}`

Example

`"89.82036mm"="1.8μF"/"20.04μF"`

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Transition Width of CMOS Solution

STEP 0: Pre-Calculation Summary

Formula Used

Transition Width = MOS Gate Overlap Capacitance/MOS Gate Capacitance
W = C_mos/C_gs
This formula uses 3 Variables

Variables Used

Transition Width - (Measured in Meter) - Transition Width is defined as the increase in width when drain-to-source voltage increases, resulting the triode region transitioning to the saturation region.
MOS Gate Overlap Capacitance - (Measured in Farad) - MOS Gate Overlap Capacitance is a capacitance that comes from the construction of the device itself and is usually associated with its internal PN junctions.
MOS Gate Capacitance - (Measured in Farad) - MOS Gate Capacitance is an important factor in calculating the gate overlap capacitance.

STEP 1: Convert Input(s) to Base Unit

MOS Gate Overlap Capacitance: 1.8 Microfarad --> 1.8E-06 Farad (Check conversion here)
MOS Gate Capacitance: 20.04 Microfarad --> 2.004E-05 Farad (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

W = C_mos/C_gs --> 1.8E-06/2.004E-05

Evaluating ... ...

W = 0.0898203592814371

STEP 3: Convert Result to Output's Unit

0.0898203592814371 Meter -->89.8203592814371 Millimeter (Check conversion here)

FINAL ANSWER

89.8203592814371 ≈ 89.82036 Millimeter <-- Transition Width

(Calculation completed in 00.021 seconds)

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Created by Shobhit Dimri

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

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< 15 CMOS Circuit Characteristics Calculators

Effective Capacitance in CMOS

Go Effective Capacitance in CMOS = Duty Cycle*(Off Current*(10^(Base Collector Voltage)))/(Gates on Critical Path*[BoltZ]*Base Collector Voltage)

Permittivity of Oxide Layer

Go Permittivity of Oxide Layer = Oxide Layer Thickness*Input Gate Capacitance/(Gate Width*Length of Gate)

Oxide Layer Thickness

Go Oxide Layer Thickness = Permittivity of Oxide Layer*Gate Width*Length of Gate/Input Gate Capacitance

Width of Gate

Go Gate Width = Input Gate Capacitance/(Capacitance of Gate Oxide Layer*Length of Gate)

Sidewall Perimeter of Source Diffusion

Go Sidewall Perimeter of Source Diffusion = (2*Transition Width)+(2*Length of Source)

Critical Electric Field

Go Critical Electric Field = (2*Velocity Saturation)/Mobility of Electron

Transition Width of CMOS

Go Transition Width = MOS Gate Overlap Capacitance/MOS Gate Capacitance

Effective Channel Length

Go Effective Channel Length = PN Junction Length-Depletion Region Width

Depletion Region Width

Go Depletion Region Width = PN Junction Length-Effective Channel Length

PN Junction Length

Go PN Junction Length = Depletion Region Width+Effective Channel Length

Voltage at Minimum EDP

Go Voltage at Minimum EDP = (3*Threshold Voltage)/(3-Activity Factor)

CMOS Critical Voltage

Go Critical Voltage in CMOS = Critical Electric Field*Mean Free Path

CMOS Mean Free Path

Go Mean Free Path = Critical Voltage in CMOS/Critical Electric Field

Width of Source Diffusion

Go Transition Width = Area of Source Diffusion/Length of Source

Area of Source Diffusion

Go Area of Source Diffusion = Length of Source*Transition Width

Transition Width of CMOS Formula

Transition Width = MOS Gate Overlap Capacitance/MOS Gate Capacitance
W = C_mos/C_gs

What is the need of doping in CMOS?

Doping in CMOS technology is used to introduce impurities into the semiconductor material to alter its electrical properties. By adding dopants, the number of free charge carriers (electrons or holes) can be increased, which allows for greater control over the device's electrical behavior. This is essential for creating high-performance CMOS circuits that use both n-type and p-type transistors.

How to Calculate Transition Width of CMOS?

Transition Width of CMOS calculator uses Transition Width = MOS Gate Overlap Capacitance/MOS Gate Capacitance to calculate the Transition Width, Transition Width of CMOS refers to the distance between adjacent transistors on a chip. It affects the overall performance, power consumption, and area efficiency of the circuit. Transition Width is denoted by W symbol.

How to calculate Transition Width of CMOS using this online calculator? To use this online calculator for Transition Width of CMOS, enter MOS Gate Overlap Capacitance (C_mos) & MOS Gate Capacitance (C_gs) and hit the calculate button. Here is how the Transition Width of CMOS calculation can be explained with given input values -> 89820.36 = 1.8E-06/2.004E-05.

FAQ

What is Transition Width of CMOS?

Transition Width of CMOS refers to the distance between adjacent transistors on a chip. It affects the overall performance, power consumption, and area efficiency of the circuit and is represented as W = C_mos/C_gs or Transition Width = MOS Gate Overlap Capacitance/MOS Gate Capacitance. MOS Gate Overlap Capacitance is a capacitance that comes from the construction of the device itself and is usually associated with its internal PN junctions & MOS Gate Capacitance is an important factor in calculating the gate overlap capacitance.

How to calculate Transition Width of CMOS?

Transition Width of CMOS refers to the distance between adjacent transistors on a chip. It affects the overall performance, power consumption, and area efficiency of the circuit is calculated using Transition Width = MOS Gate Overlap Capacitance/MOS Gate Capacitance. To calculate Transition Width of CMOS, you need MOS Gate Overlap Capacitance (C_mos) & MOS Gate Capacitance (C_gs). With our tool, you need to enter the respective value for MOS Gate Overlap Capacitance & MOS Gate Capacitance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Transition Width?

In this formula, Transition Width uses MOS Gate Overlap Capacitance & MOS Gate Capacitance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Transition Width = Area of Source Diffusion/Length of Source

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