Which Circuit Hazards Must Be Eliminated?
If a Hazard Exists in a Logic Circuit, It Is to Be Eliminated to Produce an Error-Free Output. Let Us Consider a Boolean Expression F = Ab' + Bc. the K-Map Can...
If a hazard exists in a logic circuit, it is to be eliminated to produce an error-free output. Let us consider a boolean expression F = AB' + BC. The K-map can be implemented for the given expression, from which the logic circuit is drawn as below.
How do you remove hazards from a digital circuit?
The hazard can be dealt with in two ways:
- Insert another (additional) delay to the circuit. This then eliminates the static hazard.
- Eliminate the hazard by inserting more logic to counteract the effects (Note this makes assumptions that the logic will fail)
What are the hazards in digital circuits?
The three different most common kinds of hazards are usually referred to as static, dynamic and function hazards. Hazards are a temporary problem, as the logic circuit will eventually settle to the desired function.