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Narrow Channel Additional Threshold Voltage VLSI Calculator

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✖Empirical Parameter is a constant or value used in a model, equation, or theory that is derived from experiment and observation rather than being theoretically deduced.ⓘ Empirical Parameter [k]			+10% -10%
✖Vertical Extent Bulk Depletion in Substrate refers to the depth of the depletion region into the substrate (bulk) of the MOSFET.ⓘ Vertical Extent Bulk Depletion in Substrate [x_dm]			+10% -10%
✖Channel Width is defined as the physical width of the semiconductor channel between the source and drain terminals within the transistor structure.ⓘ Channel Width [W_c]			+10% -10%
✖Oxide Capacitance per Unit Area is defined as the capacitance per unit area of the insulating oxide layer that separates the metal gate from the semiconductor material.ⓘ Oxide Capacitance per Unit Area [C_oxide]			+10% -10%
✖Acceptor Concentration refers to the concentration of acceptor dopant atoms in a semiconductor material.ⓘ Acceptor Concentration [N_A]			+10% -10%
✖Surface Potential is a key parameter in evaluating the DC property of thin-film transistors.ⓘ Surface Potential [Φ_s]			+10% -10%

✖Narrow Channel Additional Threshold Voltage is defined as a additional contribution to the threshold voltage due to narrow-channel effects in MOSFET.ⓘ Narrow Channel Additional Threshold Voltage VLSI [ΔV_T0(nc)]

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Narrow Channel Additional Threshold Voltage VLSI Solution

STEP 0: Pre-Calculation Summary

Formula Used

Narrow Channel Additional Threshold Voltage = ((Empirical Parameter*Vertical Extent Bulk Depletion in Substrate)/(Channel Width*Oxide Capacitance per Unit Area))*(sqrt(2*[Charge-e]*Acceptor Concentration*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Surface Potential)))
ΔV_T0(nc) = ((k*x_dm)/(W_c*C_oxide))*(sqrt(2*[Charge-e]*N_A*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Φ_s)))
This formula uses 3 Constants, 2 Functions, 7 Variables

Constants Used

[Permitivity-silicon] - Permittivity of silicon Value Taken As 11.7
[Permitivity-vacuum] - Permittivity of vacuum Value Taken As 8.85E-12
[Charge-e] - Charge of electron Value Taken As 1.60217662E-19

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
abs - The absolute value of a number is its distance from zero on the number line. It's always a positive value, as it represents the magnitude of a number without considering its direction., abs(Number)

Variables Used

Narrow Channel Additional Threshold Voltage - (Measured in Volt) - Narrow Channel Additional Threshold Voltage is defined as a additional contribution to the threshold voltage due to narrow-channel effects in MOSFET.
Empirical Parameter - Empirical Parameter is a constant or value used in a model, equation, or theory that is derived from experiment and observation rather than being theoretically deduced.
Vertical Extent Bulk Depletion in Substrate - (Measured in Meter) - Vertical Extent Bulk Depletion in Substrate refers to the depth of the depletion region into the substrate (bulk) of the MOSFET.
Channel Width - (Measured in Meter) - Channel Width is defined as the physical width of the semiconductor channel between the source and drain terminals within the transistor structure.
Oxide Capacitance per Unit Area - (Measured in Farad per Square Meter) - Oxide Capacitance per Unit Area is defined as the capacitance per unit area of the insulating oxide layer that separates the metal gate from the semiconductor material.
Acceptor Concentration - (Measured in 1 per Cubic Meter) - Acceptor Concentration refers to the concentration of acceptor dopant atoms in a semiconductor material.
Surface Potential - (Measured in Volt) - Surface Potential is a key parameter in evaluating the DC property of thin-film transistors.

STEP 1: Convert Input(s) to Base Unit

Empirical Parameter: 1.57 --> No Conversion Required
Vertical Extent Bulk Depletion in Substrate: 1.25 Micrometer --> 1.25E-06 Meter (Check conversion here)
Channel Width: 2.5 Micrometer --> 2.5E-06 Meter (Check conversion here)
Oxide Capacitance per Unit Area: 0.0703 Microfarad per Square Centimeter --> 0.000703 Farad per Square Meter (Check conversion here)
Acceptor Concentration: 1E+16 1 per Cubic Centimeter --> 1E+22 1 per Cubic Meter (Check conversion here)
Surface Potential: 6.86 Volt --> 6.86 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔV_T0(nc) = ((k*x_dm)/(W_c*C_oxide))*(sqrt(2*[Charge-e]*N_A*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Φ_s))) --> ((1.57*1.25E-06)/(2.5E-06*0.000703))*(sqrt(2*[Charge-e]*1E+22*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*6.86)))

Evaluating ... ...

ΔV_T0(nc) = 2.38246289976913

STEP 3: Convert Result to Output's Unit

2.38246289976913 Volt --> No Conversion Required

FINAL ANSWER

2.38246289976913 ≈ 2.382463 Volt <-- Narrow Channel Additional Threshold Voltage

(Calculation completed in 00.020 seconds)

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Lalbhai Dalpatbhai College of engineering (LDCE), Ahmedabad

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< VLSI Material Optimization Calculators

Body Effect Coefficient

LaTeX Go Body Effect Coefficient = modulus((Threshold Voltage-Threshold Voltage DIBL)/(sqrt(Surface Potential+(Source Body Potential Difference))-sqrt(Surface Potential)))

DIBL Coefficient

LaTeX Go DIBL Coefficient = (Threshold Voltage DIBL-Threshold Voltage)/Drain to Source Potential

Channel Charge

LaTeX Go Channel Charge = Gate Capacitance*(Gate to Channel Voltage-Threshold Voltage)

Critical Voltage

LaTeX Go Critical Voltage = Critical Electric Field*Electric Field Across Channel Length

Narrow Channel Additional Threshold Voltage VLSI Formula

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What is the effect of narrow-channel on a MOS transistor?

The most significant narrow-channel effect is that the actual threshold voltage of such a device is larger than that predicted by the conventional threshold voltage formula.

How to Calculate Narrow Channel Additional Threshold Voltage VLSI?

Narrow Channel Additional Threshold Voltage VLSI calculator uses Narrow Channel Additional Threshold Voltage = ((Empirical Parameter*Vertical Extent Bulk Depletion in Substrate)/(Channel Width*Oxide Capacitance per Unit Area))*(sqrt(2*[Charge-e]*Acceptor Concentration*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Surface Potential))) to calculate the Narrow Channel Additional Threshold Voltage, The Narrow Channel Additional Threshold Voltage VLSI formula is defined as a additional contribution to the threshold voltage due to narrow-channel effects in MOSFET. Narrow Channel Additional Threshold Voltage is denoted by ΔV_T0(nc) symbol.

How to calculate Narrow Channel Additional Threshold Voltage VLSI using this online calculator? To use this online calculator for Narrow Channel Additional Threshold Voltage VLSI, enter Empirical Parameter (k), Vertical Extent Bulk Depletion in Substrate (x_dm), Channel Width (W_c), Oxide Capacitance per Unit Area (C_oxide), Acceptor Concentration (N_A) & Surface Potential (Φ_s) and hit the calculate button. Here is how the Narrow Channel Additional Threshold Voltage VLSI calculation can be explained with given input values -> 2.382463 = ((1.57*1.25E-06)/(2.5E-06*0.000703))*(sqrt(2*[Charge-e]*1E+22*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*6.86))).

FAQ

What is Narrow Channel Additional Threshold Voltage VLSI?

The Narrow Channel Additional Threshold Voltage VLSI formula is defined as a additional contribution to the threshold voltage due to narrow-channel effects in MOSFET and is represented as ΔV_T0(nc) = ((k*x_dm)/(W_c*C_oxide))*(sqrt(2*[Charge-e]*N_A*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Φ_s))) or Narrow Channel Additional Threshold Voltage = ((Empirical Parameter*Vertical Extent Bulk Depletion in Substrate)/(Channel Width*Oxide Capacitance per Unit Area))*(sqrt(2*[Charge-e]*Acceptor Concentration*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Surface Potential))). Empirical Parameter is a constant or value used in a model, equation, or theory that is derived from experiment and observation rather than being theoretically deduced, Vertical Extent Bulk Depletion in Substrate refers to the depth of the depletion region into the substrate (bulk) of the MOSFET, Channel Width is defined as the physical width of the semiconductor channel between the source and drain terminals within the transistor structure, Oxide Capacitance per Unit Area is defined as the capacitance per unit area of the insulating oxide layer that separates the metal gate from the semiconductor material, Acceptor Concentration refers to the concentration of acceptor dopant atoms in a semiconductor material & Surface Potential is a key parameter in evaluating the DC property of thin-film transistors.

How to calculate Narrow Channel Additional Threshold Voltage VLSI?

The Narrow Channel Additional Threshold Voltage VLSI formula is defined as a additional contribution to the threshold voltage due to narrow-channel effects in MOSFET is calculated using Narrow Channel Additional Threshold Voltage = ((Empirical Parameter*Vertical Extent Bulk Depletion in Substrate)/(Channel Width*Oxide Capacitance per Unit Area))*(sqrt(2*[Charge-e]*Acceptor Concentration*[Permitivity-vacuum]*[Permitivity-silicon]*abs(2*Surface Potential))). To calculate Narrow Channel Additional Threshold Voltage VLSI, you need Empirical Parameter (k), Vertical Extent Bulk Depletion in Substrate (x_dm), Channel Width (W_c), Oxide Capacitance per Unit Area (C_oxide), Acceptor Concentration (N_A) & Surface Potential (Φ_s). With our tool, you need to enter the respective value for Empirical Parameter, Vertical Extent Bulk Depletion in Substrate, Channel Width, Oxide Capacitance per Unit Area, Acceptor Concentration & Surface Potential and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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