ACM Computing Surveys (CSUR)
Introduction to VLSI Systems
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The Binary Decision Diagram (BDD) has established its place as a modelling technique for digital systems. The paper shows that further significant benefits can be realized by implementing BDDs as custom or semi-custom integrated circuits. Benefits include efficient use of silicon area and improved simulation. A well-known example is given of a traffic light controller previously implemented by a PLA. The BDD layout is regular, compact and lends itself to automatic generation. A sample worst-case circuit simulation is included.