A 0.9-V, 150-MHz, 10-mW, 4 mm2, 2-D discrete cosine transform core processor with variable threshold-voltage (VT) scheme. - Tadahiro Kuroda; Tetsuya Fujita; Shinji Mita; Tetsu Nagamatsu; Shinichi Yoshioka; Kojiro Suzuki; Fumihiko Sano; Masayuki Norishima; Masayuki Murota; Makoto Kako; Masaaki Kinugawa; Masakazu Kakurnu; et al. (IEEE J. Solid State Circuits, 1996)