A 64Gb 533Mb/s DDR interface MLC NAND Flash in sub-20nm technology. - Daeyeal Lee; Ik Joon Chang; Sangyong Yoon; Joonsuc Jang; Dong-Su Jang; Wook-Ghee Hahn; Jong-Yeol Park; Doo-Gon Kim; Chiweon Yoon; Bong-Soon Lim; ByungJun Min; Sung-Won Yun; et al. (ISSCC, 2012)