Element board for printhead, and printhead having the same

Element substrate a recording head and a recording head of the element substrate, the element substrate provided with: a plurality of recording elements arranged in a predetermined direction; a driving circuit for driving the recording elements; element selection circuit, the number of predetermined adjacent the recording element for each group unit, in accordance with the image data, selecting the recording elements in each group; and selecting one of the recording elements driven in each group selection circuit, the driving circuit adjacent to each group configured with the element selection circuit selecting at least one of the drive circuit. When so disposed, when the number of recording elements increases, only by the length of the recording element array direction increases, the length of the arrangement direction intersecting the direction of the recording element does not increase.