Invention Application
US20140042303A1 CMOS SENSOR WITH LOW PARTITION NOISE AND LOW DISTURBANCE BETWEEN ADJACENT ROW CONTROL SIGNALS IN A PIXEL ARRAY
审中-公开
具有低分辨率噪声的CMOS传感器和像素阵列中相邻的控制信号之间的低干扰
- Patent Title: CMOS SENSOR WITH LOW PARTITION NOISE AND LOW DISTURBANCE BETWEEN ADJACENT ROW CONTROL SIGNALS IN A PIXEL ARRAY
- Patent Title (中): 具有低分辨率噪声的CMOS传感器和像素阵列中相邻的控制信号之间的低干扰
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Application No.: US14058335Application Date: 2013-10-21
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Publication No.: US20140042303A1Publication Date: 2014-02-13
- Inventor: Kuo-Yu CHOU , Calvin Yi-Ping CHAO
- Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee Address: TW Hsin-Chu
- Main IPC: H01L27/146
- IPC: H01L27/146
Abstract:
A CMOS image sensor includes a pixel array including a plurality of unit pixels with individual rows of unit pixels being coupled to respective row control signal lines, and a buffer including plural row control signal drivers. Each driver is coupled to a respective one of the row control signal lines and is configured to provide a row control signal pulse to a respective row control signal line in response to an input pulse when the row control signal line is in an active state and to bias the row control signal line at a ground voltage when the respective row control signal line is in an inactive state. Each driver has a first drive capability when the row control signal line is in the active state and a second drive capability greater than the first drive capability when the row control signal line is in an inactive state.
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