Patent ID: 7948544

Claim:
A complementary metal-oxide semiconductor (CMOS) image sensor, comprising: a pixel array including a plurality of first and second pixels; a first analog data bus and a second analog data bus both configured to transfer first pixel data generated from the first pixels and second pixel data generated from the second pixels; a first analog signal processor and a second analog signal processor both configured to amplify input pixel data to extract pure pixel data; a swapping block configured to swap the first pixel data and the second pixel data to thereby deliver first and second swapped pixel data into the first and the second analog signal processors; a correlated double-sampling block configured to sample and output pixel data generated from each of the first and second pixels in the pixel array; a column driver configured to generate a column select signal; a single select block configured to transfer the output signals of the correlated double-sampling block to the first analog data bus and the second analog data bus in response to the column select signal, wherein the single select block is further configured to transfer all pixel data generated from the first and second pixels; and a de-multiplexer configured to output the first pixel data and the second pixel data located at a first column in a regular sequence, and output the first pixel data and the second pixel data located at a second column in an opposite sequence.