Patent ID: 8344435

Claim:
A semiconductor device comprising a memory cell, the memory cell comprising: a transistor including a first semiconductor film, a gate insulating film over the first semiconductor film, a gate electrode over the gate insulating film, a source electrode, and a drain electrode; a memory element including a first electrode, a second semiconductor film over the first electrode, and a second electrode over the second semiconductor film; a first capacitor including a third electrode, a first insulating film over the third electrode, and a fourth electrode over the first insulating film; and a second capacitor over the first capacitor, the second capacitor including a fifth electrode, a second insulating film over the fifth electrode, and a sixth electrode over the second insulating film, wherein one of the source electrode and the drain electrode is electrically connected to the second electrode, the third electrode, and the fifth electrode, wherein the first electrode is electrically connected to the fourth electrode and the sixth electrode, wherein the gate insulating film and the first insulating film are formed by using the same material, wherein the gate electrode, the first electrode and the fourth electrode are formed by using the same material, and wherein the source electrode, the drain electrode, the second electrode, and the fifth electrode are formed by using the same material.