Automated Digital Systems Engineering

As technology continues to advance, issues of signaling, timing, power, and noise become increasingly important. At high signaling frequencies wires can no longer be considered equipotential regions and must be modeled as transmission lines. The number and speed of gates on a chip have increased faster than the number and speed of pins, making inter-chip communication a system bottleneck and placing a premium on efficient signaling and timing conventions. With reduced supply voltages and higher currents, power distribution becomes a more challenging engineering problem. At high frequencies timing conventions must be carefully designed to prevent skew and jitter of clock signals from degrading system performance. Because of these trends, the techniques described in this book, once used only in supercomputers, are now essential to the correct and efficient operation of any type of digital system.

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