Patent ID: 8669781

Claim:
A semiconductor device comprising: a programmable circuit comprising: a unit cell; a bit line; a unit cell selection line; an analog element selection line; an input signal line; and an output signal line, wherein: the unit cell comprises a first transistor, a second transistor, a third transistor, a fourth transistor, and an analog element, the unit cell selection line and a gate electrode of the first transistor are electrically connected to each other, the bit line, one of a source electrode and a drain electrode of the first transistor, and one of a source electrode and a drain electrode of the third transistor are electrically connected to each other, the analog element selection line and a gate electrode of the third transistor are electrically connected to each other, the input signal line, one of a source electrode and a drain electrode of the second transistor, and one of electrodes of the analog element are electrically connected to each other, the other of the electrodes of the analog element and one of a source electrode and a drain electrode of the fourth transistor are electrically connected to each other, the output signal line, the other of the source electrode and the drain electrode of the second transistor, and the other of the source electrode and the drain electrode of the fourth transistor are electrically connected to each other, the other of the source electrode and the drain electrode of the first transistor and a gate electrode of the second transistor are electrically connected to each other to form a first node, and the other of the source electrode and the drain electrode of the third transistor and a gate electrode of the fourth transistor are electrically connected to each other to form a second node.