Semiconductor device, circuit board, and electronic device

A semiconductor device comprising a memory circuit, the memory circuit comprising:

• a sense amplifier circuit comprising a first sense amplifier and a second sense amplifier;
• and
• a cell array over the sense amplifier circuit, the cell array comprising first to fourth memory cells,
• wherein the first memory cell and the second memory cell are electrically connected to the first sense amplifier through a first wiring and a second wiring, respectively, and
• wherein the third memory cell and the fourth memory cell are electrically connected to the second sense amplifier through a third wiring and a fourth wiring, respectively, and
• wherein the first sense amplifier and the second sense amplifier are electrically connected to a fifth wiring and a sixth wiring.

A semiconductor device comprising a memory circuit, the memory circuit comprising:

• a sense amplifier circuit comprising a plurality of sense amplifiers;
• and
• a cell array over the sense amplifier circuit, the cell array comprising a plurality of memory cells,
• wherein the plurality of memory cells are electrically connected to the plurality of sense amplifiers through a plurality of first wirings,
• wherein the sense amplifier circuit is electrically connected to a main amplifier through a plurality of second wirings, and
• wherein the number of the plurality of first wirings is larger than the number of the plurality of second wirings.