Christensen O'Connor Johnson Kindness PLLC
Data readout power saving techniques for shift register structure
A data transmission circuit of an image sensor. In one embodiment, the data transmission circuit includes a plurality of banks coupled in a series. A peripheral bank of the plurality of transmission banks is coupled to a function logic. Each bank includes a plurality of local buffers coupled to a local buffer control and a plurality of global buffers coupled to a global buffer control. The local buffers are settable to their enabled or disabled state by a bank enable command at the local buffer control. The enabled local buffers are configured to transfer local data to shift registers of their respective bank. The disabled local buffers are configured not to transfer the local data to the shift register of their respective bank.
OMNIVISION TECHNOLOGIES, INC.
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Jingwei Chao-Fang Chun-Hsiang Zejian
Lai Tsai Chang Wang