Circuit device, electronic apparatus and power supply circuit
First Claim
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1. A circuit device comprising:
- a power supply circuit having a resonance circuit; and
a logic circuit,the resonance circuit including a first coil, and a second coil having a core section shared by the first coil,the logic circuit performing an adiabatic circuit operation with a power supply voltage generated by the resonance circuit,the power supply circuit supplies a first power supply voltage from a node on one end side of the first coil and a second power supply voltage from a node on one end side of the second coil to the logic circuit as the power supply voltage,the first power supply voltage periodically changes with a first reference voltage as a reference voltage,the second power supply voltage periodically changes with a second reference voltage as a reference voltage, andthe first and second reference voltages are mutually different reference voltages.
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Abstract
A circuit device includes a power supply circuit having a resonance circuit, and a logic circuit. The resonance circuit includes a first coil, and a second coil having a core section shared by the first coil. The logic circuit performs an adiabatic circuit operation with a power supply voltage generated by the resonance circuit.
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Citations
15 Claims
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1. A circuit device comprising:
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a power supply circuit having a resonance circuit; and a logic circuit, the resonance circuit including a first coil, and a second coil having a core section shared by the first coil, the logic circuit performing an adiabatic circuit operation with a power supply voltage generated by the resonance circuit, the power supply circuit supplies a first power supply voltage from a node on one end side of the first coil and a second power supply voltage from a node on one end side of the second coil to the logic circuit as the power supply voltage, the first power supply voltage periodically changes with a first reference voltage as a reference voltage, the second power supply voltage periodically changes with a second reference voltage as a reference voltage, and the first and second reference voltages are mutually different reference voltages. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11, 12)
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10. A circuit device comprising:
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a power supply circuit having a resonance circuit; and a logic circuit, the resonance circuit including a first coil, and a second coil having a core section shared by the first coil, the power supply circuit supplying a first power supply voltage from a node on one end side of the first coil and a second power supply voltage from a node on one end side of the second coil to the logic circuit as the power supply voltage, a first reference voltage being supplied to a node on the other end side of the first coil, a second reference voltage being supplied to a node on the other end side of the second coil, the second reference voltage being lower than the first reference voltage, and the logic circuit performing an adiabatic circuit operation with the first power supply voltage and the second power supply voltage being supplied. - View Dependent Claims (14, 15)
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13. A power supply circuit comprising:
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a resonance circuit having a coil section and a capacitor, the coil section including a first coil, and a second coil having a core that is shared by the first coil, the coil section including a first coil, and a second coil having a core section shared by the first coil, the resonance circuit supplying a first power supply voltage from a node on one end side of the first coil and a second power supply voltage from a node on one end side of the second coil, a first reference voltage being supplied to a node on the other side of the first coil, and a second reference voltage being supplied to a node on the other side of the second coil, the second reference voltage being lower than the first reference voltage, and the resonance circuit being thus configured to supply a first power supply voltage and the second power supply voltage to an adiabatic circuit by resonance generated by the coil section and the capacitor.
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Specification