1results about How to "Facilitate downsizing" patented technology

The disclosure provides a focal plane array circuit, a data reading method thereof and a photoelectric detector, wherein the focal plane array circuit comprises: at least one pixel unit group, the pixel unit group comprises at least two pixel units, and each pixel unit comprises: a sensing pulse output circuit and a counter; each pixel unit in the pixel unit group except the first pixel unit is respectively provided with a corresponding first switch circuit and a second switch circuit; a first end of the first switch circuit is connected with the sensing pulse output circuit in the corresponding pixel unit, and a second end of the first switch circuit is connected with the counter in the corresponding pixel unit; a first end of the second switch circuit is connected with the counter in the corresponding pixel unit, and a second end of the second switch circuit is connected with the counter in the previous pixel unit of the corresponding pixel unit, and the two counters connected by the second switch circuit constitute a cascade when the second switch circuit is in an on state.