A data path consists of memory elements (i.e. registers), data operators (i.e. ALUs) and interconnection units
(i.e. buses) to control the data transfers in the digital system. Many approaches to memory synthesis have been
proposed in the literature. However, only single port memory is considered for register allocation and no efficient
synthesis approach for multiport memory synthesis. In this paper, an efficient method, Partitioned Dependence Matrix (PDM), is presented for memory synthesis which deals not only with single port memory synthesis but
also multiport memory synthesis according to the design constraints. With suitable modifications, the proposed
technique can also be applied to multiport memory synthesis in which the maximum number of read ports is
different from the maximum number of write ports. Therefore, the entire design space is explored and has the
capability to handle early architectural design exploration so that the quality of designs produced by an automatic
synthesis tool is more adequate for production use in comparison to manual design. Illustrations of applying this
method to different synthesis examples are presented. Results and improvements over previous techniques are
demonstrated. A key element in our approach is the successful adoption of techniques originally developed for
problems in test generation to the field of memory synthesis.
ModemVLSI circuits with extensive built-in self-test (JUST) resources have the problem of long testing time if the testing for the different parts of the circuits are executed successively.Herein, we present a heuristic solution, called Weighted Cluster Partitwning (WCP), to the problem of long testing time for VLSI circuits.Some of the techniques in current use exploit parallelism in testing VLSI circuits, but the computation is quite expensive.Our solution is a more efficient and effective procedure which explores the space of concurrent test schedule and leads to a considerable reduction of testing time by suitable incorporation of BIST in the circuit.
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