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US 5,293,515 AGranted
Amplifier circuit having two inverters
AssigneeKabushiki Kaisha Toshiba
InventorsMasanori Uchida, Tetsuya Iizuka
Life of this patent
Estimating the term…
Abstract
An amplifier circuit includes two inverter circuits. Each inverter circuit provides an output signal in response to a respective input signal. The inverter circuits are supplied with a power source voltage through a MOS transistor circuit. The MOS transistor circuit includes two MOS transistors each having gate electrodes supplied with the output of the inverter circuits.
Claims3
An amplifier circuit comprising:
- first inverter circuit means responsive to a first power source voltage and a second power source voltage, wherein the first power source voltage is lower than the second power source voltage, for outputting a first output signal in response to a first input signal, wherein the first inverter circuit means includes:
- a first MOS transistor of a first conductivity type having a source electrode supplied with the first power source voltage, a drain electrode, and a gate electrode supplied with the first input signal, and
- a second MOS transistor of a second conductivity type having a source electrode supplied with the second power source voltage, a drain electrode connected to the drain electrode of the first MOS transistor, and a gate electrode supplied with the first input signal;
- second inverter circuit means responsive to the first power source voltage and the second power source voltage, for outputting a second output signal in response to a second input signal, wherein the second inverter circuit means includes:
- a third MOS transistor of the first conductivity type, having a source electrode supplied with the first power source voltage, a drain electrode, and a gate electrode supplied with the second input signal, a fourth MOS transistor of the second conductivity type having a source electrode supplied with the second power source voltage, a drain electrode connected to the drain electrode of the third MOS transistor, and a gate electrode supplied with the second input signal;
- first circuit means for supplying the first power source voltage to the first and the second inverter circuit means, including a fifth MOS transistor of the first conductivity type having a gate electrode supplied with the output signal of the first inverter circuit means and a sixth MOS transistor of the first conductivity type having a gate electrode supplied with the output signal of the second inverter circuit means, wherein the fifth and the sixth MOS transistors are N-type MOS transistors;
- and
- second circuit means for supplying the second power source voltage to the first and the second inverter circuit means.
5 more elements
An amplifier circuit comprising:
- first inverter circuit means responsive to a first power source voltage and a second power source voltage, wherein the first power source voltage is higher than the second power source voltage, for outputting a first output signal in response to a first input signal, wherein the first inverter circuit means includes:
- a first MOS transistor of a first conductivity type having a source electrode supplied with the first power source voltage, a drain electrode, and a gate electrode supplied with the first input signal,
- a second MOS transistor of a second conductivity type having a source electrode supplied with the second power source voltage, a drain electrode connected to the drain electrode of the first MOS transistor, and a gate electrode supplied with the first input signal;
- second inverter circuit means responsive to the first power source voltage and the second power source voltage, for outputting a second output signal in response to a second input signal, wherein the second inverter circuit means includes:
- a third MOS transistor of the first conductivity type, having a source electrode supplied with the first power source voltage, a drain electrode, and a gate electrode supplied with the second input signal, a fourth MOS transistor of the second conductivity type having a source electrode supplied with the second power source voltage, a drain electrode connected to the drain electrode of the third MOS transistor, and a gate electrode supplied with the second input signal;
- first circuit means for supplying the first power source voltage to the first and the second inverter circuit means, including a fifth MOS transistor of the first conductivity type having a gate electrode supplied with the output signal of the first inverter circuit means and a sixth MOS transistor of the first conductivity type having a gate electrode supplied with the output signal of the second inverter circuit means, wherein the fifth and the sixth MOS transistors are P-type MOS transistors;
- and
- second circuit means for supplying the second power source voltage to the first and the second inverter circuit means.
5 more elements
An amplifier circuit comprising:
- first inverter circuit means responsive to a first power source voltage and a second power source voltage, for outputting a first output signal in response to a first input signal, wherein the first inverter circuit means includes:
- a first MOS transistor of a first conductivity type having a source electrode supplied with the first power source voltage, a drain electrode, and a gate electrode supplied with the first input signal, and
- a second MOS transistor of a second conductivity type having a source electrodes supplied with the second power source voltage, a drain electrode connected to the drain electrode of the first MOS transistor, and a gate electrode supplied with the first input signal;
- second inverter circuit means responsive to the first power source voltage and the second power source voltage, for outputting a second output signal in response to a second input signal, wherein the second inverter circuit means includes:
- a third MOS transistor of the first conductivity type having a source electrode supplied with the first power source voltage, a drain electrode, and a gate electrode supplied with the second input signal, and
- a fourth MOS transistor of the second conductivity type having a source electrode supplied with the second power source voltage, a drain electrode connected to the drain electrode of the third MOS transistor, and a gate electrode supplied with the second input signal;
- first circuit means for supplying the first power source voltage to the first and the second inverter circuit means, including a fifth MOS transistor of the first conductivity type having a gate electrode supplied with the output of the first inverter circuit means, and a sixth MOS transistor of the first conductivity type having a gate electrode supplied with the output of the second inverter circuit means;
- and
- second circuit means for supplying the second power source voltage to the first and the second inverter circuit means, including a seventh MOS transistor of the second conductivity type having a gate electrode supplied with the output of the first inverter circuit means, and an eighth MOS transistor of the second conductivity type having a gate electrode supplied with the output of the second inverter circuit means.
6 more elements
Dependencies are inferred from the claim text.