Capacitance Offpath Solution

STEP 0: Pre-Calculation Summary
Formula Used
Capacitance Offpath = Total Capacitance Seen by a Stage-Capacitance Onpath
Coffpath = Ct-Conpath
This formula uses 3 Variables
Variables Used
Capacitance Offpath - (Measured in Farad) - Capacitance Offpath is defined as the capacitance of the off-path capacitance of the logic gate.
Total Capacitance Seen by a Stage - (Measured in Farad) - Total capacitance seen by a stage is defined as the total capacitance of the stage of on and off.
Capacitance Onpath - (Measured in Farad) - Capacitance Onpath is defined as the capacitance along the analyzing path.
STEP 1: Convert Input(s) to Base Unit
Total Capacitance Seen by a Stage: 12 Picofarad --> 1.2E-11 Farad (Check conversion here)
Capacitance Onpath: 3.2 Picofarad --> 3.2E-12 Farad (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Coffpath = Ct-Conpath --> 1.2E-11-3.2E-12
Evaluating ... ...
Coffpath = 8.8E-12
STEP 3: Convert Result to Output's Unit
8.8E-12 Farad -->8.8 Picofarad (Check conversion here)
8.8 Picofarad <-- Capacitance Offpath
(Calculation completed in 00.004 seconds)
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< 24 CMOS Characteristics Calculators

Ground to Agression Capacitance
Adjacent Capacitance = ((Victim Driver*Time Constant Ratio of Agression to Victim*Ground V Capacitance)-(Agression Driver*Ground A Capacitance))/(Agression Driver-Victim Driver*Time Constant Ratio of Agression to Victim)
Victim Driver
Victim Driver = (Agression Driver*(Ground A Capacitance+Adjacent Capacitance))/(Time Constant Ratio of Agression to Victim*(Adjacent Capacitance+Ground V Capacitance))
Agression Driver
Agression Driver = (Victim Driver*Time Constant Ratio of Agression to Victim*(Adjacent Capacitance+Ground V Capacitance))/(Ground A Capacitance+Adjacent Capacitance)
Built-in Potential
Built-in Potential = Thermal Voltage*ln((Acceptor Concentration*Donor Concentration)/(Intrinsic Electron Concentration^2))
Agressor Voltage
Agressor Voltage = (Victim Voltage*(Ground V Capacitance+Adjacent Capacitance))/Adjacent Capacitance
Victim Voltage
Victim Voltage = (Agressor Voltage*Adjacent Capacitance)/(Ground V Capacitance+Adjacent Capacitance)
Adjacent Capacitance = (Victim Voltage*Ground V Capacitance)/ (Agressor Voltage-Victim Voltage)
Branching Effort
Branching Effort = (Capacitance Onpath+Capacitance Offpath)/Capacitance Onpath
Agression Time Constant
Agression Time Constant = Time Constant Ratio of Agression to Victim*Victim Time Constant
Victim Time Constant
Victim Time Constant = Agression Time Constant/Time Constant Ratio of Agression to Victim
Time Constant Ratio of Agression to Victim
Time Constant Ratio of Agression to Victim = Agression Time Constant/Victim Time Constant
Capacitance Onpath
Capacitance Onpath = Total Capacitance Seen by a Stage-Capacitance Offpath
Total Capacitance Seen by Stage
Total Capacitance Seen by a Stage = Capacitance Onpath+Capacitance Offpath
Capacitance Offpath
Capacitance Offpath = Total Capacitance Seen by a Stage-Capacitance Onpath
Input Capacitance of Gate
Input Capacitance = Drive of Arbitrary Gate*Logical Effort
Logical Effort(G)
Logical Effort = Input Capacitance/Drive of Arbitrary Gate
VCO Single Gain Factor
VCO Gain = Change in Frequency of Clock/VCO Control Voltage
Drive of Arbitrary Gate
Drive of Arbitrary Gate = Input Capacitance/Logical Effort
Output Clock Phase
Output Clock Phase = 2*3.14*VCO Control Voltage*VCO Gain
VCO Control Voltage
VCO Control Voltage = Lock Voltage+VCO Offset Voltage
VCO Offset Voltage
VCO Offset Voltage = VCO Control Voltage-Lock Voltage
Lock Voltage
Lock Voltage = VCO Control Voltage-VCO Offset Voltage
Static Current
Static Current = Static Power/Drain Voltage
Static Power Dissipation
Static Power = Static Current*Drain Voltage

Capacitance Offpath Formula

Capacitance Offpath = Total Capacitance Seen by a Stage-Capacitance Onpath
Coffpath = Ct-Conpath

What is branching effort?

Branching effort is a kind of effort to account for branching between stages of a path. This branching effort b is the ratio of the total capacitance seen by a stage to the capacitance on the path. Also it is the product of the branching efforts between stages.

How to Calculate Capacitance Offpath?

Capacitance Offpath calculator uses Capacitance Offpath = Total Capacitance Seen by a Stage-Capacitance Onpath to calculate the Capacitance Offpath, The Capacitance Offpath formula is defined as the capacitance of the off-path capacitance of the logic gate. Capacitance Offpath is denoted by Coffpath symbol.

How to calculate Capacitance Offpath using this online calculator? To use this online calculator for Capacitance Offpath, enter Total Capacitance Seen by a Stage (Ct) & Capacitance Onpath (Conpath) and hit the calculate button. Here is how the Capacitance Offpath calculation can be explained with given input values -> 8.8E+12 = 1.2E-11-3.2E-12.

FAQ

What is Capacitance Offpath?
The Capacitance Offpath formula is defined as the capacitance of the off-path capacitance of the logic gate and is represented as Coffpath = Ct-Conpath or Capacitance Offpath = Total Capacitance Seen by a Stage-Capacitance Onpath. Total capacitance seen by a stage is defined as the total capacitance of the stage of on and off & Capacitance Onpath is defined as the capacitance along the analyzing path.
How to calculate Capacitance Offpath?
The Capacitance Offpath formula is defined as the capacitance of the off-path capacitance of the logic gate is calculated using Capacitance Offpath = Total Capacitance Seen by a Stage-Capacitance Onpath. To calculate Capacitance Offpath, you need Total Capacitance Seen by a Stage (Ct) & Capacitance Onpath (Conpath). With our tool, you need to enter the respective value for Total Capacitance Seen by a Stage & Capacitance Onpath 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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