Title :
1-V CMOS comparator for programmable analog rank-order extractor
Author :
Hung, Yu-Cherng ; Liu, Bin-Da
Author_Institution :
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan
fDate :
5/1/2003 12:00:00 AM
Abstract :
A CMOS rail-to-rail comparator operating at low-voltage supply and obtained by using a conventional fabrication process is proposed. Based on the comparator, an analog rank-order extractor with k winner-take-all capability is presented. An experimental chip was fabricated using 0.5 μm CMOS technology. Measured results at 1-V supply voltage show a comparator response time of 4 μs for 10-mV precision and that, within 4 μs, the extractor successfully identifies a 100-mV differential voltage among inputs to find a rank order of the input set.
Keywords :
CMOS analogue integrated circuits; comparators (circuits); integrated circuit design; low-power electronics; programmable circuits; 0.5 micron; 1 V; 1-V CMOS comparator; 4 mus; CMOS rail-to-rail comparator; comparator response time; differential voltage identification; input set rank order; k winner-take-all capability; low-voltage analog switch; low-voltage supply; programmable analog rank-order extractor; CMOS technology; Circuits; Data mining; Delay; Fabrication; Latches; Metastasis; Parasitic capacitance; Preamplifiers; Voltage;
Journal_Title :
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
DOI :
10.1109/TCSI.2003.811025
