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The matrix transposition operation is a necessary step in several image video c ompression and decompression algorithms, in particular the discrete cosine transform DCT and its inverse IDCT, and some distributed arithmetic applications. These algorithms have to be p erformed at high data-rates, and with a minimum of power dissipation for portable applications. In this paper we describe how the clocked solution is usually implemented, and we present two new asynchronous architectures thatdoi:10.1109/iccd.1997.628904 dblp:conf/iccd/TiernoK97 fatcat:r7ik6gk6wfatnfdttkjufjiqqi