Credits

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat
Shobhit Dimri has created this Calculator and 500+ more calculators!
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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OFF Current Solution

STEP 0: Pre-Calculation Summary
Formula Used
off_current = (Gates On Critical Path*Effective Capacitance in CMOS*Boltzmann constant*Drain Voltage)/(duty Cycle*(10^Drain Voltage))
Ioff = (N*Ceff*kB*vds)/(D*(10^vds))
This formula uses 5 Variables
Variables Used
Gates On Critical Path- Gates On Critical Path total logic gate present
Effective Capacitance in CMOS - Effective Capacitance in CMOS (Measured in Farad)
Boltzmann constant- The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative kinetic energy of particles in a gas with the thermodynamic temperature of the gas
Drain Voltage - Drain Voltage is the voltage that falls across the gate-source terminal of the transistor. (Measured in Volt)
duty Cycle- A duty cycle or power cycle is the fraction of one period in which a signal or system is active
STEP 1: Convert Input(s) to Base Unit
Gates On Critical Path: 5 --> No Conversion Required
Effective Capacitance in CMOS: 2 Farad --> 2 Farad No Conversion Required
Boltzmann constant: 1.380649 --> No Conversion Required
Drain Voltage: 8 Volt --> 8 Volt No Conversion Required
duty Cycle: 0.1 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ioff = (N*Ceff*kB*vds)/(D*(10^vds)) --> (5*2*1.380649*8)/(0.1*(10^8))
Evaluating ... ...
Ioff = 1.1045192E-05
STEP 3: Convert Result to Output's Unit
1.1045192E-05 Ampere --> No Conversion Required
FINAL ANSWER
1.1045192E-05 Ampere <-- off current
(Calculation completed in 00.000 seconds)

10+ CMOS-VLSI Design Calculators

Drain Voltage
drain_voltage = sqrt(dynamic power/frequency*Capacitance) Go
Gate to Channel Voltage
gate_to_channel_voltage = (Channel Charge/Gate Capacitance)+Threshold voltage Go
Threshold Voltage
threshold_voltage = Gate to Channel Voltage-(Channel Charge/Gate Capacitance) Go
Gate Capacitance
channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage) Go
Channel Charge
channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage) Go
Capacitor dynamic power
dynamic_power = Drain Voltage^2*frequency*Capacitance Go
Potential gate to Collector
potential_gate_to_collector = (Potential Gate to Source+Potential Gate to Drain)/2 Go
Potential Gate to Drain
potential_gate_to_drain = 2*potential gate to collector-Potential Gate to Source Go
Static Current
static_current = Static power/Drain Voltage Go
Static Power Dissipation
static_power = static current*Drain Voltage Go

OFF Current Formula

off_current = (Gates On Critical Path*Effective Capacitance in CMOS*Boltzmann constant*Drain Voltage)/(duty Cycle*(10^Drain Voltage))
Ioff = (N*Ceff*kB*vds)/(D*(10^vds))

What is Subthreshold conduction ?

Subthreshold conduction or subthreshold leakage or subthreshold drain current is the current between the source and drain of a MOSFET when the transistor is in subthreshold region, or weak-inversion region, that is, for gate-to-source voltages below the threshold voltage.

How to Calculate OFF Current?

OFF Current calculator uses off_current = (Gates On Critical Path*Effective Capacitance in CMOS*Boltzmann constant*Drain Voltage)/(duty Cycle*(10^Drain Voltage)) to calculate the off current, The OFF Current formula is defined as Such switch is not existing in the reality,. real switches have normally very small off current which some times called the leakage current. off current and is denoted by Ioff symbol.

How to calculate OFF Current using this online calculator? To use this online calculator for OFF Current, enter Gates On Critical Path (N), Effective Capacitance in CMOS (Ceff), Boltzmann constant (kB), Drain Voltage (vds) and duty Cycle (D) and hit the calculate button. Here is how the OFF Current calculation can be explained with given input values -> 1.105E-5 = (5*2*1.380649*8)/(0.1*(10^8)) .

FAQ

What is OFF Current?
The OFF Current formula is defined as Such switch is not existing in the reality,. real switches have normally very small off current which some times called the leakage current and is represented as Ioff = (N*Ceff*kB*vds)/(D*(10^vds)) or off_current = (Gates On Critical Path*Effective Capacitance in CMOS*Boltzmann constant*Drain Voltage)/(duty Cycle*(10^Drain Voltage)) . Gates On Critical Path total logic gate present, Effective Capacitance in CMOS, The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative kinetic energy of particles in a gas with the thermodynamic temperature of the gas, Drain Voltage is the voltage that falls across the gate-source terminal of the transistor and A duty cycle or power cycle is the fraction of one period in which a signal or system is active.
How to calculate OFF Current?
The OFF Current formula is defined as Such switch is not existing in the reality,. real switches have normally very small off current which some times called the leakage current is calculated using off_current = (Gates On Critical Path*Effective Capacitance in CMOS*Boltzmann constant*Drain Voltage)/(duty Cycle*(10^Drain Voltage)) . To calculate OFF Current, you need Gates On Critical Path (N), Effective Capacitance in CMOS (Ceff), Boltzmann constant (kB), Drain Voltage (vds) and duty Cycle (D). With our tool, you need to enter the respective value for Gates On Critical Path, Effective Capacitance in CMOS, Boltzmann constant, Drain Voltage and duty Cycle 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 off current?
In this formula, off current uses Gates On Critical Path, Effective Capacitance in CMOS, Boltzmann constant, Drain Voltage and duty Cycle. We can use 10 other way(s) to calculate the same, which is/are as follows -
  • dynamic_power = Drain Voltage^2*frequency*Capacitance
  • drain_voltage = sqrt(dynamic power/frequency*Capacitance)
  • static_power = static current*Drain Voltage
  • static_current = Static power/Drain Voltage
  • channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage)
  • channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage)
  • gate_to_channel_voltage = (Channel Charge/Gate Capacitance)+Threshold voltage
  • threshold_voltage = Gate to Channel Voltage-(Channel Charge/Gate Capacitance)
  • potential_gate_to_collector = (Potential Gate to Source+Potential Gate to Drain)/2
  • potential_gate_to_drain = 2*potential gate to collector-Potential Gate to Source
Where is the OFF Current calculator used?
Among many, OFF Current calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
{FormulaExamplesList}
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