A static verification approach for architectural integration of mixed-signal integrated circuits

Rajdeep Mukhopadhyay,Anvesh Komuravelli, Pallab Dasgupta, S.K. Panda, Siddhartha Mukhopadhyay
Integration, the VLSI Journal, Volume 43, Issue 1, January 2010

Abstract

In this paper we present astatic method for verifying the proper integration of analog and mixed-signal macroblocks into an integrated circuit. We consider the problem in a setting where there is no golden reference for verifying the validity of the interconnections between the blocks. The proposed verificationmethodology relies on an abstract modeling of the functional behavior of the blocks and a set of consistency criteria defined over the composition of these abstract models. A new formalism called mode sequence chart (MSeqC) has been presented for capturing the behavior of the blocks at a level of abstraction that is suitable for interconnection verification. We present rules to compose the MSeqCs of each block in anintegrated design and present three criteria that indicate possible interconnection faults. We present a tool called AMS-IV (AMS-interconnection verification) that takes the design netlist as input, the MSeqC model of each design block as reference, and tests the three criteria.

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