Patent ID: 8450783
Filing Date: 2013-05-28
Classification: G11C,H01L

Abstract:
1. A semiconductor device comprising: a source line; a bit line; a signal line; a word line; memory cells; a first driver circuit electrically connected to the source line through a first switching element and electrically connected to the bit line through a second switching element; a second driver circuit electrically connected to the source line through a third switching element; a third driver circuit electrically connected to the signal line; and a fourth driver circuit electrically connected to the word line, wherein one of the memory cells comprises: wherein the second transistor comprises an oxide semiconductor material, wherein the first gate electrode, one of the second source electrode and the second drain electrode, and the first terminal are electrically connected to one another, wherein the source line, the first source electrode, and the other of the second source electrode and the second drain electrode are electrically connected to one another, wherein the bit line and the first drain electrode are electrically connected to each other, wherein the signal line and the second gate electrode are electrically connected to each other, and wherein the word line and the second terminal are electrically connected to each other.