Semiconductor device
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsTakayuki INOUE, Yoshiyuki KUROKAWA
Life of this patent
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Abstract
An object is to provide a semiconductor device having a memory which can efficiently improve a yield by employing a structure which facilitates the use of a spare memory cell. The semiconductor device includes a memory cell array having a memory cell and a spare memory cell, a decoder connected to the memory cell and the spare memory cell, a data holding circuit connected to the decoder, and a battery which supplies electric power to the data holding circuit. The spare memory cell operates in accordance with an output from the data holding circuit.
Claims13
(canceled)
A semiconductor device comprising:
- a substrate;
- an antenna over the substrate;
- a thin-film secondary battery over the substrate;
- and
- a circuit comprising a transistor, the circuit supported by the substrate,
- wherein the antenna is electrically connected to the circuit, and
- wherein the thin-film secondary battery is electrically connected to the circuit.
A semiconductor device comprising:
- a substrate;
- an antenna over the substrate;
- a thin-film secondary battery over the substrate;
- a circuit comprising a transistor, the circuit supported by the substrate;
- a memory cell array comprising a memory cell and a spare memory cell, the memory cell comprising a first transistor;
- a decoder connected to the memory cell and the spare memory cell;
- a data holding circuit connected to the decoder, the data holding circuit comprising a second transistor;
- and
- a battery configured to supply electric power to the data holding circuit,
- wherein the antenna is electrically connected to the circuit,
- wherein the thin-film secondary battery is electrically connected to the circuit,
- wherein the spare memory cell is configured to operate in accordance with an output from the data holding circuit, and
- wherein the first transistor and the second transistor are formed on the same substrate.
A semiconductor device comprising:
- a substrate;
- an antenna over the substrate;
- a thin-film secondary battery over the substrate;
- a circuit comprising a transistor, the circuit supported by the substrate;
- a memory cell array comprising a memory cell and a spare memory cell;
- a decoder connected to the memory cell and the spare memory cell;
- a data holding circuit connected to the decoder;
- and
- a battery configured to supply electric power to the data holding circuit,
- wherein the antenna is electrically connected to the circuit,
- wherein the thin-film secondary battery is electrically connected to the circuit, and
- wherein the spare memory cell is configured to operate in accordance with an output from the data holding circuit.
Dependencies are inferred from the claim text.