Method and system for screening a VLSI design for inductive coupling noise
AssigneeHewlett-Packard Company
InventorsJohn G. McBride, Osamn S. Nakagawa, Shen Lin
Life of this patent
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AssigneeHewlett-Packard Company
InventorsJohn G. McBride, Osamn S. Nakagawa, Shen Lin
Estimating the term…
A method is disclosed for estimating inductive coupling noise of a signal on a transmission line in a circuit design stored in a computer memory. The method determines the capacitive coupling noise on the signal, adds inductive coupling noise, and compares the total to a specified maximum amount of noise. The inductive coupling is a percentage of a supply voltage, which percentage varies depending upon the transition rate of the signal, the resistance of the line, and the gate capacitance of a load on the line. The inductive coupling varies based on the circuit design and may be stored in a table having inductive coupling values for multiple design conditions. The table is created using a field solver to determine line characteristics and a circuit simulator to simulate inductive coupling noise. For each set of initial conditions, a worst-case inductive coupling value is recorded in the table.
A method of estimating inductive coupling noise in a transmission line in an integrated circuit design stored in a computer memory, the method comprising:
A method for estimating the inductive coupling noise on a signal in a circuit design, the method comprising:
A method of estimating noise caused by inductive coupling of a transmission line that carries a signal in a circuit design, the method comprising:
Dependencies are inferred from the claim text.