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Engineering Digital Design
book

Engineering Digital Design

by Richard F. Tinder
January 2000
Intermediate to advanced content levelIntermediate to advanced
884 pages
29h 39m
English
Academic Press
Content preview from Engineering Digital Design
740 CHAPTER 14 / ASYNCHRONOUS STATE MACHINE DESIGN AND ANALYSIS
the same thing: they both eliminate critical races, but by entirely different approaches to
state coding. For the STT design the goal is to arrive at an FSM whose transitions take
place simultaneously or nearly so. However, the one-hot design method (for synchronous
or asynchronous machines) forces the FSM to cycle through states having exactly two 1’s,
one from the origin and the other from the destination state. The one-hot approach has the
added advantage that static hazards are automatically covered by the holding conditions.
Thus, cycle paths must be avoided and the sum rule must always hold in the state diagrams
for both STT and one-hot FSMs. Critical races and ORGs are automatically ...
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Publisher Resources

ISBN: 9780126912951