PHYSICAL QUANTITY DETECTING DEVICE AND IMAGING DEVICE

[Object] To prevent a defect that pixel data transfer is not completed in time. [Solving Means] A physical quantity detection device includes at least two pixel groups that each detect a physical quantity, a storage section that stores data corresponding to the physical quantity detected by a pixel in each of the pixel groups, and a storage control section that performs control to cause the storage section to store the data, and controls, for each of the pixel groups, whether or not to update the data stored in the storage section.