System and method for designing electrical trace lengths on...

Details System and method for designing electrical trace lengths on... System and method for designing electrical trace lengths on...

2007-12-11

2007-12-11

Chiang, Jack (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000

Reexamination Certificate

active

11015219

ABSTRACT:
Described is a system and method of designing a length of an electrical trace used to implement a point-to-point serial link for conveying a digital signal between a transmitter and a receiver. A trace segment of the electrical trace is identified. The trace segment has a first endpoint determined by a first impedance discontinuity on the point-to-point serial link and a second endpoint determined by a second impedance discontinuity on the point-to-point serial link. A restricted length is calculated for the trace segment based on a propagation delay of the signal along the trace segment and a frequency of the signal. A length of the trace segment is set to be unequal to the restricted length.

REFERENCES:
patent: 6687842 (2004-02-01), DiStefano et al.
patent: 7032189 (2006-04-01), Upton et al.
patent: 7042067 (2006-05-01), Giaretta et al.
patent: 7170166 (2007-01-01), Rofougaran

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