High-speed, low-power correlated double sampling counter for column-parallel CMOS imagers

被引:27
作者
Lee, D. [1 ]
Han, G. [1 ]
机构
[1] Yonsei Univ, Dept Elect & Elect Engn, Seoul 120749, South Korea
关键词
D O I
10.1049/el:20072490
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A high-speed, low-power correlated double sampling counter for column parallel CMOS imagers is proposed. Unlike a conventional up/down counter, the proposed counter performs correlated double sampling using a two's complement arithmetic. The proposed counter can be implemented using only 16 transistors per bit. Simulation results show 32% reduction of power consumption and 2.4 times improvement of maximum speed over a conventional up/down counter.
引用
收藏
页码:1362 / 1364
页数:3
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