Jiwei Chen Bingxue Shi Pulsed activation: Saving power for mixed-signal circuits. 407-410 2001 conf/iscas/2001 ISCAS (5) http://doi.ieeecomputersociety.org/10.1109/ISCAS.2001.922071 db/conf/iscas/iscas2001-5.html#ChenS01