Shunsuke Okumura Yusuke Iguchi Shusuke Yoshimoto Hidehiro Fujiwara Hiroki Noguchi Koji Nii Hiroshi Kawaguchi Masahiko Yoshimoto A 0.56-V 128kb 10T SRAM using column line assist (CLA) scheme. 659-663 2009 ISQED http://dx.doi.org/10.1109/ISQED.2009.4810372 conf/isqed/2009 db/conf/isqed/isqed2009.html#OkumuraIYFNNKY09