Battery mounted integrated circuit device
First Claim
Patent Images
1. A battery mounted integrated circuit device, comprising:
- a semiconductor chip in which an integrated circuit including a plurality of power receiving circuits with different operating voltages is formed;
a thin film laminated battery, made of a solid electrolytic film mounted on said semiconductor chip, for producing a plurality of voltages; and
a power source switch incorporated in said integrated circuit for connecting said battery to said power receiving circuits to supply said plurality of voltages from said battery to said power receiving circuits on demand.
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Abstract
A battery mounted integrated circuit device comprises a semiconductor chip in which an integrated circuit including a plurality of power receiving circuits with different operating voltages is formed; a thin film laminated battery made of a solid electrolytic film mounted on the semiconductor chip for producing a plurality of voltages; and a power source switch incorporated in said integrated circuit for connecting said battery to the power receiving circuits to supply the plurality of voltages from the battery to the power receiving circuits on demand.
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Citations
9 Claims
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1. A battery mounted integrated circuit device, comprising:
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a semiconductor chip in which an integrated circuit including a plurality of power receiving circuits with different operating voltages is formed; a thin film laminated battery, made of a solid electrolytic film mounted on said semiconductor chip, for producing a plurality of voltages; and a power source switch incorporated in said integrated circuit for connecting said battery to said power receiving circuits to supply said plurality of voltages from said battery to said power receiving circuits on demand. - View Dependent Claims (2, 3, 4)
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5. A battery mounted integrated circuit device, comprising:
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a semiconductor chip in which an integrated circuit including at least one power receiving circuit is formed; a normal power source for supplying power to said integrated circuit; a thin film laminated battery made of a solid electrolytic film mounted on said semiconductor chip; and a power source switch incorporated in said integrated circuit for connecting said battery to said at least one power receiving circuit; wherein said battery is previously charged by said normal npower source while said integrated circuit is being operated by said normal power source, and during power failure, said power source switch is automatically operated so that power is supplied from said battery to said at least one power receiving circuit. - View Dependent Claims (6, 7, 8, 9)
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Specification