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Elmore Delay Model Distributed RC Interconnect Propagation Delay Calculator

Easily calculate and compute elmore delay model distributed rc interconnect propagation delay calculator with accurate equations, live formulas, and expert guidance.

On-resistance of driving logic gate.

Physical length of metal wire trace.

Distributed resistance of metal line.

Distributed parasitic capacitance to ground and neighbors.

Input gate capacitance of driven receiver.

Calculated Result
11 ps

Propagation Delay (t_pd 50%)

Propagation Delay (t_pd 50%)

11 ps

Propagation Delay50 Percent Ps

11

Elmore Delay Time Constant Ps

15.8

Rise Time10 To90 Ps

34.8

Total Wire Resistance Ohms

75

11 — ps

Calculation Breakdown

  1. Applied FormulaCalculates the first moment of impulse response (Elmore delay) for distributed RC on-chip metal interconnects with driving buffers and receiver load gates.\tau = R_d (C_{wire} + C_L) + \frac{1}{2} r c L^2 + r L C_L, \quad t_{50\%} = \ln(2) \cdot \tau

Elmore RC Interconnect Delay Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.02.85.58.311Propagation Delay (t_pd 50%)

What Is the Elmore Delay Model Distributed RC Interconnect Propagation Delay Calculator?

This tool computes elmore delay model distributed rc interconnect propagation delay calculator with high precision arithmetic.

How Does the Elmore Delay Model Distributed RC Interconnect Propagation Delay Calculator Work?

Calculates the first moment of impulse response (Elmore delay) for distributed RC on-chip metal interconnects with driving buffers and receiver load gates.

Elmore Delay Model Distributed RC Interconnect Propagation Delay Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

τ=Rd(Cwire+CL)+12rcL2+rLCL,t50%=ln⁡(2)⋅τ\tau = R_d (C_{wire} + C_L) + \frac{1}{2} r c L^2 + r L C_L, \quad t_{50\%} = \ln(2) \cdot \tau

Calculates the first moment of impulse response (Elmore delay) for distributed RC on-chip metal interconnects with driving buffers and receiver load gates.

How to Use the Elmore Delay Model Distributed RC Interconnect Propagation Delay Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Elmore Delay Model Distributed RC Interconnect Propagation Delay Calculator Example

Input Values:

driverResistanceOhms:120
wireLengthUm:500
wireResistancePerUm:0.15
wireCapacitancePerUmFf:0.18
loadCapacitanceFf:8.5
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required ps.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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