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State Assignment Technique For Synchronous Sequential Networks
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Book Synopsis State Assignment Technique for Synchronous Sequential Networks by : Stanford University. Stanford Electronics Laboratories
Download or read book State Assignment Technique for Synchronous Sequential Networks written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1961 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The way in which states are assigned in synchronous sequential networks greatly influences the cost of the associated logic. The state assignment problem is discussed, and an assignment technique is described that is very effective for non-cyclic circuits whose logical equations contain les than five variables. The principal advantages of this technique are that it is simple and that it can be applied effectively to find low-cost assignments for almost all synchronous sequential networks. A new approach to the assignment problem is introduced. Statistical predictions rather than absolute minimality are used as a criterion for evaluating the quality of an assignment. An assignment is considered to be good if the probability of finding a better assignment is small. (Author).
Book Synopsis The State Assignment Problem for Synchronous Sequential Networks by : William Henry Davidow
Download or read book The State Assignment Problem for Synchronous Sequential Networks written by William Henry Davidow and published by . This book was released on 1961 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Extension of the State Assignment Methods for Synchronous Sequential Circuits by : Lloyd Bradford Zimmerman
Download or read book On the Extension of the State Assignment Methods for Synchronous Sequential Circuits written by Lloyd Bradford Zimmerman and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some State-assignment Techniques for Large Sequential Circuits by : Stanford University. Stanford Electronics Laboratories
Download or read book Some State-assignment Techniques for Large Sequential Circuits written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1964 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two state-assignment algorithms are developed, one of which has been programmed for a computer and will handle sequential machines as large as 128 states and 64 inputs. A flow table is used as the machine representation, and properties of the flow table are used to establish state-pair adjacency relationships. For these adjacency relationships a weighting procedure is presented which is used in determining the state codes. The set of state codes used in the algorithms is selected from those sets having some special properties which not only allow preselection of the codes but also reduce the enumeration required in the algorithms. In general, low-cost assignments were obtained without expending large amounts of time. (Author)
Book Synopsis SHR-optimal State Assignment for Synchronous Sequential Circuits by : Dal Ho Chung
Download or read book SHR-optimal State Assignment for Synchronous Sequential Circuits written by Dal Ho Chung and published by . This book was released on 1989 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Simplified State Assignment Method for Asynchronous Sequential Machines by : James William Ananias
Download or read book A Simplified State Assignment Method for Asynchronous Sequential Machines written by James William Ananias and published by . This book was released on 1961 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sequential switching circuits are generally categorized as being either synchronous or asynchronous circuits. Synchronous circuits are those which employ a timing or 'clock' signal to trigger circuit state changes. Asynchronous circuit state changes occur in response to input changes only. Output changes of these circuits are delayed from input changes by simply the switching time of the circuit elements and hence these circuits are capable of the ultimate in sequential circuit speed. Since asynchronous circuits are activated by input changes, unequal circuit path delays could result in undesired internal state transitions which in turn would result in faculty circuit operation. It is, therefore, necessary for asynchronous circuits to be free of such undesired internal state transitions for reliable operation. (Author).
Book Synopsis Computer Aided Method for Synchronous Sequential Machine State Assignment by : Miriam B. Hernandez A.
Download or read book Computer Aided Method for Synchronous Sequential Machine State Assignment written by Miriam B. Hernandez A. and published by . This book was released on 1987 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Switching Circuits for Engineers by : Mitchell P. Marcus
Download or read book Switching Circuits for Engineers written by Mitchell P. Marcus and published by Prentice Hall. This book was released on 1975 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Minimizing Input Logic for a Sequential Network by : Te-fu Peng
Download or read book Minimizing Input Logic for a Sequential Network written by Te-fu Peng and published by . This book was released on 1967 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete procedure of minimizing input logic in designing both completely and incompletely specified synchronous, finite state sequential networks is presented in detail. This procedure consists of three important steps: 1) state simplification, 2) state assignment and 3) input logic realization. Two new ideas are presented in the procedure of minimizing internal states. First, the number in the minimal final class which is chosen from the final class is used as the lower bound of a minimal closed set. Second, the minimal closed set is found by means of the implication graph. The implication graph is also used to find a partition with a substitution property for given internal states in state assignment. This partition always leads to an economical state assignment. Useful and important principles are developed for deriving the input logic set for any type of flipflop. The results provided a much simpler and faster way to derive the input logic than do analytic methods.
Book Synopsis Synthesis of Finite State Machines by : Tiziano Villa
Download or read book Synthesis of Finite State Machines written by Tiziano Villa and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis of Finite State Machines: Logic Optimization is the second in a set of two monographs devoted to the synthesis of Finite State Machines (FSMs). The first volume, Synthesis of Finite State Machines: Functional Optimization, addresses functional optimization, whereas this one addresses logic optimization. The result of functional optimization is a symbolic description of an FSM which represents a sequential function chosen from a collection of permissible candidates. Logic optimization is the body of techniques for converting a symbolic description of an FSM into a hardware implementation. The mapping of a given symbolic representation into a two-valued logic implementation is called state encoding (or state assignment) and it impacts heavily area, speed, testability and power consumption of the realized circuit. The first part of the book introduces the relevant background, presents results previously scattered in the literature on the computational complexity of encoding problems, and surveys in depth old and new approaches to encoding in logic synthesis. The second part of the book presents two main results about symbolic minimization; a new procedure to find minimal two-level symbolic covers, under face, dominance and disjunctive constraints, and a unified frame to check encodability of encoding constraints and find codes of minimum length that satisfy them. The third part of the book introduces generalized prime implicants (GPIs), which are the counterpart, in symbolic minimization of two-level logic, to prime implicants in two-valued two-level minimization. GPIs enable the design of an exact procedure for two-level symbolic minimization, based on a covering step which is complicated by the need to guarantee encodability of the final cover. A new efficient algorithm to verify encodability of a selected cover is presented. If a cover is not encodable, it is shown how to augment it minimally until an encodable superset of GPIs is determined. To handle encodability the authors have extended the frame to satisfy encoding constraints presented in the second part. The covering problems generated in the minimization of GPIs tend to be very large. Recently large covering problems have been attacked successfully by representing the covering table with binary decision diagrams (BDD). In the fourth part of the book the authors introduce such techniques and extend them to the case of the implicit minimization of GPIs, where the encodability and augmentation steps are also performed implicitly. Synthesis of Finite State Machines: Logic Optimization will be of interest to researchers and professional engineers who work in the area of computer-aided design of integrated circuits.
Book Synopsis The Assignment of Secondary State Variables for a Synchronous Sequential Machine Using Digital Computer Techniques by : Robert John Gaabo
Download or read book The Assignment of Secondary State Variables for a Synchronous Sequential Machine Using Digital Computer Techniques written by Robert John Gaabo and published by . This book was released on 1965 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computer Literature Bibliography: 1964-1967 by : W. W. Youden
Download or read book Computer Literature Bibliography: 1964-1967 written by W. W. Youden and published by . This book was released on 1965 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis State Assignments for Non-normal Asynchronous Sequential Circuits by : Gary Keith Maki
Download or read book State Assignments for Non-normal Asynchronous Sequential Circuits written by Gary Keith Maki and published by . This book was released on 1969 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: "There is a lack of procedures that can be used to find good internal state assignments for asynchronous sequential circuits operating in the non-normal mode. Presented here, are two generalized state assignments, which are functions only of the number of rows in a flow table. The suggested bounds for the generalized state assignments are m + [log2m] and m + [m/2] internal state variables for a 2[superscript m]-row flow table, where means "next lowest integer". Both generalized state assignments produce group (linear) codes. The algorithms for generating these internal state assignments are easy and straight-forward to implement. It is shown that each of these state assignments satisfactorily encode certain classes of flow tables. Even though a general proof has not been found to show that these assignments were standard, worst-case situations have been constructed, and it has never been necessary to increase the suggested bounds. An internal state assignment procedure for obtaining non-standard or non-generalized state assignments is also presented. The internal state assignments, using the proposed method, are obtained in a systematic manner; and generally require fewer internal state variables than other procedures presently available"--Abstract, leaf ii.
Book Synopsis Introduction to Logic Design by : Svetlana N. Yanushkevich
Download or read book Introduction to Logic Design written by Svetlana N. Yanushkevich and published by CRC Press. This book was released on 2008-01-25 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: With an abundance of insightful examples, problems, and computer experiments, Introduction to Logic Design provides a balanced, easy-to-read treatment of the fundamental theory of logic functions and applications to the design of digital devices and systems. Requiring no prior knowledge of electrical circuits or electronics, it supplies the
Book Synopsis Programmed State Assignment Algorithms for Asynchronous Sequential Machines by : Wayne L. Schoeffel
Download or read book Programmed State Assignment Algorithms for Asynchronous Sequential Machines written by Wayne L. Schoeffel and published by . This book was released on 1967 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: "An important step in the synthesis procedure for realizing a normal fundamental mode asynchronous sequential circuit is the internal state assignment. Although systematic methods have been developed to construct minimum-transition-time state assignments, they become long and tedious with hand methods for machines with more than 7 or 8 internal states. To extend the application of these algorithms to larger problems, this paper presents an efficient digital computer program for generating minimum-variable state assignments. An alternate program is also presented which, though shorter, does not guarantee a minimum-variable assignment"--Abstract, leaf ii.
Book Synopsis Some Aspects of the State Assignment Problem for Sequential Circuits by : Donald R. Haring
Download or read book Some Aspects of the State Assignment Problem for Sequential Circuits written by Donald R. Haring and published by . This book was released on 1962 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the major steps in the synthesis of switching circuits containing memory is the binary coding of the internal states. The choice of code, called the state assignment, strongly affects the complexity of the circuit realization. Hence, the objective is to find, for a given sequential machine (SM) as typically specified by a flow table and an output table, that state assignment (SA) which minimizes the sequential circuit (SC) complexity. The point of view is taken that the greatest lack in promoting an understanding of the SA problem is a knowledge of the structure of the relationship between the properties of the SM and the properties of the logic required by its SC realization. Consequently, a large part of this report is devoted to developing and using some new techniques for studying the structure of this SM-SC relationship. (Author).
