Maximum Input Voltage for Symmetric CMOS Solution

STEP 0: Pre-Calculation Summary
Formula Used
Maximum Input Voltage Symmetric CMOS = (3*Supply Voltage+2*Threshold Voltage of NMOS Without Body Bias)/8
VIL(sym) = (3*VDD+2*VT0,n)/8
This formula uses 3 Variables
Variables Used
Maximum Input Voltage Symmetric CMOS - (Measured in Volt) - Maximum Input Voltage Symmetric CMOS refers to the highest voltage that can be applied symmetrically to both the input terminals of a CMOS device without causing damage.
Supply Voltage - (Measured in Volt) - Supply voltage refers to the voltage level provided by a power source to an electrical circuit or device, serving as the potential difference for current flow and operation.
Threshold Voltage of NMOS Without Body Bias - (Measured in Volt) - Threshold voltage of NMOS without body bias is the minimum input voltage required to switch an NMOS transistor when no additional bias voltage is applied to the substrate (body).
STEP 1: Convert Input(s) to Base Unit
Supply Voltage: 3.3 Volt --> 3.3 Volt No Conversion Required
Threshold Voltage of NMOS Without Body Bias: 0.6 Volt --> 0.6 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
VIL(sym) = (3*VDD+2*VT0,n)/8 --> (3*3.3+2*0.6)/8
Evaluating ... ...
VIL(sym) = 1.3875
STEP 3: Convert Result to Output's Unit
1.3875 Volt --> No Conversion Required
FINAL ANSWER
1.3875 Volt <-- Maximum Input Voltage Symmetric CMOS
(Calculation completed in 00.004 seconds)

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CMOS Inverters Calculators

Threshold Voltage CMOS
​ LaTeX ​ Go Threshold Voltage = (Threshold Voltage of NMOS Without Body Bias+sqrt(1/Transconductance Ratio)*(Supply Voltage+(Threshold Voltage of PMOS Without Body Bias)))/(1+sqrt(1/Transconductance Ratio))
Maximum Input Voltage CMOS
​ LaTeX ​ Go Maximum Input Voltage CMOS = (2*Output Voltage for Max Input+(Threshold Voltage of PMOS Without Body Bias)-Supply Voltage+Transconductance Ratio*Threshold Voltage of NMOS Without Body Bias)/(1+Transconductance Ratio)
Maximum Input Voltage for Symmetric CMOS
​ LaTeX ​ Go Maximum Input Voltage Symmetric CMOS = (3*Supply Voltage+2*Threshold Voltage of NMOS Without Body Bias)/8
Noise Margin for High Signal CMOS
​ LaTeX ​ Go Noise Margin for High Signal = Maximum Output Voltage-Minimum Input Voltage

Maximum Input Voltage for Symmetric CMOS Formula

​LaTeX ​Go
Maximum Input Voltage Symmetric CMOS = (3*Supply Voltage+2*Threshold Voltage of NMOS Without Body Bias)/8
VIL(sym) = (3*VDD+2*VT0,n)/8

What is the value of threshold voltage of PMOS in symmetric inverter?

In symmetric CMOS Inverter the value of threshold voltage of PMOS is equal to the threshold voltage of NMOS. |VT0,p|= VT0,n.

How to Calculate Maximum Input Voltage for Symmetric CMOS?

Maximum Input Voltage for Symmetric CMOS calculator uses Maximum Input Voltage Symmetric CMOS = (3*Supply Voltage+2*Threshold Voltage of NMOS Without Body Bias)/8 to calculate the Maximum Input Voltage Symmetric CMOS, Maximum input voltage for symmetric CMOS represents the highest voltage level that can be symmetrically applied to both input terminals of a CMOS device without causing damage. It ensures proper functionality and reliability while adhering to the specified voltage limits of the device. Maximum Input Voltage Symmetric CMOS is denoted by VIL(sym) symbol.

How to calculate Maximum Input Voltage for Symmetric CMOS using this online calculator? To use this online calculator for Maximum Input Voltage for Symmetric CMOS, enter Supply Voltage (VDD) & Threshold Voltage of NMOS Without Body Bias (VT0,n) and hit the calculate button. Here is how the Maximum Input Voltage for Symmetric CMOS calculation can be explained with given input values -> 1.3875 = (3*3.3+2*0.6)/8.

FAQ

What is Maximum Input Voltage for Symmetric CMOS?
Maximum input voltage for symmetric CMOS represents the highest voltage level that can be symmetrically applied to both input terminals of a CMOS device without causing damage. It ensures proper functionality and reliability while adhering to the specified voltage limits of the device and is represented as VIL(sym) = (3*VDD+2*VT0,n)/8 or Maximum Input Voltage Symmetric CMOS = (3*Supply Voltage+2*Threshold Voltage of NMOS Without Body Bias)/8. Supply voltage refers to the voltage level provided by a power source to an electrical circuit or device, serving as the potential difference for current flow and operation & Threshold voltage of NMOS without body bias is the minimum input voltage required to switch an NMOS transistor when no additional bias voltage is applied to the substrate (body).
How to calculate Maximum Input Voltage for Symmetric CMOS?
Maximum input voltage for symmetric CMOS represents the highest voltage level that can be symmetrically applied to both input terminals of a CMOS device without causing damage. It ensures proper functionality and reliability while adhering to the specified voltage limits of the device is calculated using Maximum Input Voltage Symmetric CMOS = (3*Supply Voltage+2*Threshold Voltage of NMOS Without Body Bias)/8. To calculate Maximum Input Voltage for Symmetric CMOS, you need Supply Voltage (VDD) & Threshold Voltage of NMOS Without Body Bias (VT0,n). With our tool, you need to enter the respective value for Supply Voltage & Threshold Voltage of NMOS Without Body Bias 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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