Encoding of Symbolic Outputs
The output encoding problem entails finding binary codes for symbolic outputs in a switching function so as to minimize the area or an estimate of the area of the encoded and optimized logic function. In this chapter, we will focus on describing output encoding algorithms that target two-level or Programmable Logic Array (PLA) implementations of logic. As in input encoding targeting two-level logic, the optimization step that follows encoding is one of two-level Boolean minimization.
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