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Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat
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Group Propagation delay Solution

STEP 0: Pre-Calculation Summary
Formula Used
propagation_delay = Carry-Looker Adder (CLA) delay-(Group Propagation delay*((n-input AND gate-1)+(K-input AND gate-1))*Delay of the AND-OR gate+xor delay)
τ = CLA-(Tpg(n)*((n-1)+(k-1))*tAO+Txor)
This formula uses 6 Variables
Variables Used
Carry-Looker Adder (CLA) delay- Carry-Looker Adder (CLA) delay
Group Propagation delay- Group Propagation delay is delay in time
n-input AND gate- n-input AND gate is n number of and gate
K-input AND gate- K-input AND gate is the k input
Delay of the AND-OR gate - Delay of the AND-OR gate in the gray cell (Measured in Second)
xor delay - xor delay is delay of the final sum XOR (Measured in Second)
STEP 1: Convert Input(s) to Base Unit
Carry-Looker Adder (CLA) delay: 3 --> No Conversion Required
Group Propagation delay: 5 --> No Conversion Required
n-input AND gate: 2 --> No Conversion Required
K-input AND gate: 7 --> No Conversion Required
Delay of the AND-OR gate: 5 Second --> 5 Second No Conversion Required
xor delay: 8 Second --> 8 Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
τ = CLA-(Tpg(n)*((n-1)+(k-1))*tAO+Txor) --> 3-(5*((2-1)+(7-1))*5+8)
Evaluating ... ...
τ = -180
STEP 3: Convert Result to Output's Unit
-180 --> No Conversion Required
FINAL ANSWER
-180 <-- propagation delay
(Calculation completed in 00.016 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

Group Propagation delay Formula

propagation_delay = Carry-Looker Adder (CLA) delay-(Group Propagation delay*((n-input AND gate-1)+(K-input AND gate-1))*Delay of the AND-OR gate+xor delay)
τ = CLA-(Tpg(n)*((n-1)+(k-1))*tAO+Txor)

What is Charge Sharing? Explain the Charge Sharing problem while sampling data from a Bus?

In the serially connected NMOS logic the input capacitance of each gate shares the charge with the load capacitance by which the logical levels drastically mismatched than that of the desired once. To eliminate this load capacitance must be very high compared to the input capacitance of the gates (approximately 10 times).

How to Calculate Group Propagation delay?

Group Propagation delay calculator uses propagation_delay = Carry-Looker Adder (CLA) delay-(Group Propagation delay*((n-input AND gate-1)+(K-input AND gate-1))*Delay of the AND-OR gate+xor delay) to calculate the propagation delay, The Group Propagation delay formula is defined as For a device such as an amplifier or telecommunications system, group delay and phase delay are device performance properties that help to characterize time delay, which is the amount of time for the various frequency components of a signal to pass through the device from input to output. propagation delay and is denoted by τ symbol.

How to calculate Group Propagation delay using this online calculator? To use this online calculator for Group Propagation delay, enter Carry-Looker Adder (CLA) delay (CLA), Group Propagation delay (Tpg(n)), n-input AND gate (n), K-input AND gate (k), Delay of the AND-OR gate (tAO) and xor delay (Txor) and hit the calculate button. Here is how the Group Propagation delay calculation can be explained with given input values -> -180 = 3-(5*((2-1)+(7-1))*5+8) .

FAQ

What is Group Propagation delay?
The Group Propagation delay formula is defined as For a device such as an amplifier or telecommunications system, group delay and phase delay are device performance properties that help to characterize time delay, which is the amount of time for the various frequency components of a signal to pass through the device from input to output and is represented as τ = CLA-(Tpg(n)*((n-1)+(k-1))*tAO+Txor) or propagation_delay = Carry-Looker Adder (CLA) delay-(Group Propagation delay*((n-input AND gate-1)+(K-input AND gate-1))*Delay of the AND-OR gate+xor delay) . Carry-Looker Adder (CLA) delay, Group Propagation delay is delay in time, n-input AND gate is n number of and gate, K-input AND gate is the k input, Delay of the AND-OR gate in the gray cell and xor delay is delay of the final sum XOR.
How to calculate Group Propagation delay?
The Group Propagation delay formula is defined as For a device such as an amplifier or telecommunications system, group delay and phase delay are device performance properties that help to characterize time delay, which is the amount of time for the various frequency components of a signal to pass through the device from input to output is calculated using propagation_delay = Carry-Looker Adder (CLA) delay-(Group Propagation delay*((n-input AND gate-1)+(K-input AND gate-1))*Delay of the AND-OR gate+xor delay) . To calculate Group Propagation delay, you need Carry-Looker Adder (CLA) delay (CLA), Group Propagation delay (Tpg(n)), n-input AND gate (n), K-input AND gate (k), Delay of the AND-OR gate (tAO) and xor delay (Txor). With our tool, you need to enter the respective value for Carry-Looker Adder (CLA) delay, Group Propagation delay, n-input AND gate, K-input AND gate, Delay of the AND-OR gate and xor delay 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 propagation delay?
In this formula, propagation delay uses Carry-Looker Adder (CLA) delay, Group Propagation delay, n-input AND gate, K-input AND gate, Delay of the AND-OR gate and xor delay. 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 Group Propagation delay calculator used?
Among many, Group Propagation delay calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
{FormulaExamplesList}
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