Patent ID: 7663473

Claim:
A semiconductor device comprising: a modulation circuit, a demodulation circuit, a logic circuit, a nonvolatile memory circuit, a level shift circuit, a control circuit, and an antenna circuit, which are formed over an insulating substrate, wherein the modulation circuit and the demodulation circuit are electrically connected to the antenna circuit, wherein the demodulation circuit is connected to the logic circuit, wherein the logic circuit is connected to the control circuit and the level shift circuit, wherein a signal inputted from the antenna circuit is operated by the logic circuit and inputted to the level shift circuit, wherein the nonvolatile memory circuit includes means for storing an output signal of the level shift circuit, wherein the nonvolatile memory circuit is for storing data by charge injection, wherein the control circuit writes data to the nonvolatile memory circuit only once, and wherein the nonvolatile memory circuit writes data in accordance with the instruction of the control circuit and the level shift circuit.