NV-SRAM: a nonvolatile SRAM with back-up ferroelectric capacitors. - Tohm Miwa; Junichi Yamada; Hiroki Koike; Hideo Toyoshima; Kazushi Amanuma; Sota Kobayashi; Tom Tatsumi; Yukihiro Maejima; Hiromitsu Hada; Takemitsu Kunio (CICC, 2000)