A 312-MHz 16-Mb random-cycle embedded DRAM macro with a power-down data retention mode for mobile applications. - Fukashi Morishita; Isamu Hayashi; Hideto Matsuoka; Kazuhiro Takahashi; Kuniyasu Shigeta; Takayuki Gyohten; Mitsutaka Niiro; Hideyuki Noda; Mako Okamoto; Atsushi Hachisuka; Atsushi Amo; Hiroki Shinkawata; et al. (IEEE J. Solid State Circuits, 2005)