Patent ID: 8829594

Claim:
A nonvolatile programmable switch comprising: a first nonvolatile memory transistor including a first terminal connected to a first interconnect, a second terminal connected to a second interconnect, and a third terminal connected to a third interconnect; a second nonvolatile memory transistor including a fourth terminal connected to a fourth interconnect, a fifth terminal connected to the second interconnect, and a sixth terminal connected to the third interconnect, the second nonvolatile memory transistor being of the same conductivity type as a conductivity type of the first nonvolatile memory transistor; and a pass transistor having a gate electrode connected to the second interconnect, wherein when the first interconnect and the fourth interconnect are connected to a first power supply while the third interconnect is connected to a second power supply of a higher voltage than a voltage of the first power supply, a threshold voltage of the first nonvolatile memory transistor increases, and a threshold voltage of the second nonvolatile memory transistor decreases, and when the first interconnect and the fourth interconnect are connected to the first power supply while the third interconnect is connected to a third power supply of a lower voltage than the voltage of the first power supply, the threshold voltage of the first nonvolatile memory transistor decreases, and the threshold voltage of the second nonvolatile memory transistor increases.