Imaging apparatus, imaging system, moving body, and semiconductor substrate for lamination

An imaging apparatus comprising:

• a plurality of pixels;
• a plurality of signal lines, each of the plurality of signal lines being connected to at least a different one of the plurality of pixels;
• a plurality of comparators provided in such a manner the plurality of comparators corresponds to the plurality of signal lines;
• a plurality of switch units, each of the plurality of switch units being connected to one of the plurality of signal lines and one of the plurality of comparators corresponding to the one signal line;
• and
• a bypass line to which at least two of the plurality of switch units are commonly connected,
• wherein each of the at least two switch units includes:
• a first type switch including a first terminal connected to the one signal line and a second terminal connected to the one comparator;
• a second type switch including a first terminal and a second terminal, the first terminal being connected to the one signal line and the first terminal of the first type switch, the second terminal being connected to the bypass line;
• and
• a third type switch including a first terminal and a second terminal, the first terminal being connected to the one comparator and the second terminal of the first type switch, the second terminal being connected to the bypass line.

A semiconductor substrate for lamination comprising:

• a plurality of connection portions each configured to be connected to a different one of a plurality of signal lines configured to transmit signals based on charges generated by photoelectric conversion;
• a plurality of comparators provided corresponding to the plurality of connection portions;
• a plurality of switch units each configured to be connected to one of the plurality of connection portions and one of the plurality of comparators corresponding to the one of the plurality of connection portions;
• and
• a bypass line to which at least two of the plurality of switch units are commonly connected,
• wherein each of the at least two switch units includes:
• a first type switch including a first terminal connected to the one of the plurality of connection portions and a second terminal connected to the one of the plurality of comparators;
• a second type switch including a first terminal and a second terminal, the first terminal being connected to the one of the plurality of connection portions and the first terminal of the first type switch, the second terminal being connected to the bypass line;
• and
• a third type switch including a first terminal and a second terminal, the first terminal being connected to the one of the plurality of comparators and the second terminal of the first type switch, the second terminal being connected to the bypass line.