More Inputs
to the Layout Process
—Electrical Requirements, Indentify:
—High current signals
—Signals sensitive to crosstalk or coupling
—clocks
—Isolated signals and barriers
—Transmission line signals
—Microstrip , Strip line
—Controlled impedance signals and pairs
—High impedance signals
—Desired number of layers
—Minimum trace width
—Approximate component placement, circuit sectioning
—Grounding guidelines
1/10/2008
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