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CMOS IMAGE SENSOR, ROW DECODER OF CMOS IMAGE SENSOR, AND METHOD OF CONTROLLING ROW DECODER OF CMOS IMAGE SENSOR
CMOS IMAGE SENSOR, ROW DECODER OF CMOS IMAGE SENSOR, AND METHOD OF CONTROLLING ROW DECODER OF CMOS IMAGE SENSOR
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机译:CMOS图像传感器,CMOS图像传感器的行解码器以及控制CMOS图像传感器的行解码器的方法
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摘要
A CMOS(Complementary Metal Oxide Semiconductor) image sensor, a row decoder thereof and a control method thereof are provided to reduce a current consumed unnecessarily by a master clock, thereby reducing the consumption power of the entire row decoder. Decoder clock members(121a) divide a master clock with a predetermined ratio and produce a decoder clock signal. A decoding member(123) is synchronized to the decoder clock signal, decodes a predetermined row address and activates a selection signal corresponding to the decoded row address. Plural signal transmission members(122) are synchronized to a master clock and transmit the row control signal for selecting the row line in response to the activated selection signal to the row line corresponding to the predetermined row address. The decoder clock generating member includes a divider for dividing the master clock at the predetermined ratio.
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