NDLI: Consistency and observability invariance in multi-level logic synthesis

Content Provider	IEEE Xplore Digital Library
Author	McGeer, P. Brayton, R.K.
Copyright Year	1989
Description	Author affiliation: Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA (McGeer, P.; Brayton, R.K.)
Abstract	An m-function network on n primary inputs as forming an n+m-dimensional space is depicted. In this space there are points that can never occur due to mutual dependencies among the functions. This set has been called the satisfiability don't-care (SDC) set of the network and can be viewed as a function over the extended space. The authors demonstrate a sharp criterion for determining which transformations of the network preserve the SDC, and show that most of the operations of the MIS-II synthesis system preserve the SDC. This has importance for implications which are used in a number of network manipulations. This analysis also clarifies how other operations change the SDC, but in very predictable ways. It is shown that a most of the algebraic and some Boolean operations commonly used in logic synthesis preserve the testability of all but a single node in a network. An interesting example is algebraic division (or resubstitution) of one node into another.<>
Starting Page	426
Ending Page	429
File Size	338006
Page Count	4
File Format	PDF
ISBN	0818619864
DOI	10.1109/ICCAD.1989.76984
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-11-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Observability Logic
Content Type	Text
Resource Type	Article

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