Semiconductor integrated circuit device comprising a bias circuit, a driver circuit, and a receiver circuit
First Claim
1. A semiconductor integrated circuit device, comprising:
- a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage;
a driver circuit for receiving an inversion input signal and a non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into a signal vibrating from an output voltage of said bias circuit to the first supply voltage and visa versa, and for driving a transfer path by the converted signal;
a voltage divider circuit for dividing an output voltage of said bias circuit; and
a receiver circuit for detecting the signal for driving the transfer path by use of an output of said voltage divider circuit as a reference voltage, and for converting the detected signal into a signal vibrating between the first supply voltage and the second supply voltage.
1 Assignment
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Accused Products
Abstract
To minimize the power consumption, the disclosed semiconductor integrated circuit device, comprises; a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage; a driver circuit for receiving an inversion input signal and a non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into a signal vibrating between an output voltage of the bias circuit and the first supply voltage, and for driving a transfer path by the converted signal; a voltage divider circuit for dividing an output voltage of the bias circuit; and a receiver circuit for detecting the signal for driving the transfer path by use of an output of the voltage divider circuit as a reference voltage, and for converting the detected signal into a signal vibrating between the first/supply voltage and the second supply voltage.
39 Citations
20 Claims
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1. A semiconductor integrated circuit device, comprising:
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a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage; a driver circuit for receiving an inversion input signal and a non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into a signal vibrating from an output voltage of said bias circuit to the first supply voltage and visa versa, and for driving a transfer path by the converted signal; a voltage divider circuit for dividing an output voltage of said bias circuit; and a receiver circuit for detecting the signal for driving the transfer path by use of an output of said voltage divider circuit as a reference voltage, and for converting the detected signal into a signal vibrating between the first supply voltage and the second supply voltage. - View Dependent Claims (2)
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3. A semiconductor integrated circuit device, comprising:
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a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage; a driver circuit for receiving an inversion input signal and a non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into a signal vibrating from an output voltage of said bias circuit to the first supply voltage and visa versa on the basis of an enable signal, and for driving a transfer path by the converted signal or for setting an output thereof to a high impedance; a voltage divider circuit for dividing an output voltage of said bias circuit; and a receiver circuit for detecting the signal for driving the transfer path by use of an output of said voltage divider circuit as a reference voltage, and for converting the detected signal into a signal vibrating between the first supply voltage and the second supply voltage. - View Dependent Claims (4, 5)
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6. A semiconductor integrated circuit device, comprising:
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a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage; a driver circuit for receiving an inversion input signal and a non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into two differential signals each vibrating from an output voltage of said bias circuit to the first supply voltage and visa versa, and for driving two transfer paths by the two differential signals, respectively; and a receiver circuit for detecting the differential signals for driving the transfer paths, and for converting the detected differential signals into a signal vibrating between the first supply voltage and the second supply voltage. - View Dependent Claims (7)
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8. A semiconductor integrated circuit device, comprising:
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a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage; a driver circuit for receiving an inversion input signal and a non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into two differential signals each vibrating from an output voltage of said bias circuit to the first supply voltage and visa versa on the basis of an enable signal, and for driving two transfer paths by the two differential signals or for setting two outputs thereof to a high impedance, respectively; and a receiver circuit for detecting the differential signals for driving the transfer paths, and for converting the detected differential signals into a signal vibrating between the first supply voltage and the second supply voltage. - View Dependent Claims (9, 10)
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11. A semiconductor integrated circuit device, comprising:
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a first semiconductor chip including; a bias circuit for generating a predetermined voltage fixed between a first supply voltage and a second supply voltage; a first driver circuit for receiving a first inversion input signal and a first non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into a signal vibrating between an output voltage of said bias circuit and the first supply voltage on the basis of a first enable signal, and for outputting the converted signal or for setting an output thereof to a high impedance; a first voltage divider circuit for dividing an output voltage of said bias circuit; and a first receiver circuit; and a second semiconductor chip including; a second voltage divider circuit having an input end connected to an input end of said first voltage divider circuit via a wire, for dividing an output voltage of said bias circuit; a second driver circuit having an output end connected to an output end of said first driver circuit via a transfer wire, for receiving a second inversion input signal and a second non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into a signal vibrating between an output voltage of said bias circuit and the first supply voltage on the basis of a second enable signal, and for outputting the converted signal or for setting an output thereof to a high impedance; and a second receiver circuit; and wherein; said first receiver circuit is activated, when the output of said first driver circuit is at the high impedance, to detect a signal transferred from said second driver circuit via the transfer wire and further to convert the detected signal into a signal vibrating between the first supply voltage and the second supply voltage; and said second receiver circuit is activated, when the output of said second driver circuit is at the high impedance, to detect a signal transferred from said first driver circuit via the transfer wire and further to convert the detected signal into a signal vibrating between the first supply voltage and the second supply voltage. - View Dependent Claims (12, 13, 14, 18)
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15. A semiconductor integrated circuit device, comprising:
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a first semiconductor chip including; a first bias circuit for generating a predetermined fixed voltage between a first supply voltage and a second supply voltage; a first driver circuit for receiving a first inversion input signal and a first non-inversion input signal each vibrating between the first and second supply voltages, for converting the received input signals into two differential signals each vibrating from an output voltage of said first bias circuit to the first supply voltage and visa versa on the basis of a first enable signal, and for outputting the converted differential signals or setting two outputs thereof to a high impedance, respectively; and a first receiver circuit; and a second semiconductor chip including; a second bias circuit for generating another predetermined voltage fixed between a third supply voltage and a fourth supply voltage; a second driver circuit for receiving a second inversion input signal and a second non-inversion input signal each vibrating between the third and fourth supply voltages, for converting the received input signals into two differential signals each vibrating between an output voltage of said second bias circuit and the third supply voltage on the basis of a second enable signal, and for outputting the converted differential signals or setting two outputs thereof to a high impedance, respectively; and a second receiver circuit; and wherein; two output ends of each of said first and second driver circuits are connected to each other by a transfer wire, respectively; said first receiver circuit is activated, when the output of said first driver circuit is at the high impedance, to detect the two differential signals transferred from said second driver circuit via the transfer wires and further to convert the detected difference signals into a signal vibrating between the first supply voltage and the second supply voltage; and said second receiver circuit is activated, when the output of said second driver circuit is at the high impedance, to detect the two differential signals transferred from said first driver circuit via the transfer wire and further to convert the detected differential signals into a signal vibrating between the third supply voltage and the fourth supply voltage. - View Dependent Claims (16, 17, 19, 20)
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Specification