Semiconductor device
First Claim
1. A semiconductor device comprising a CMOS inverter coupling circuit that couples n (n is two or above) CMOS inverters with each other,each of the n CMOS inverters having:
- a first MOS transistor for a first conductivity type channel, which has a structure where a drain, a gate, and a source are arranged in a vertical direction with respect to a substrate and the gate surrounds an island-shaped semiconductor layer;
a second MOS transistor for a second conductivity type channel different from the first conductivity type channel, which has a structure where a drain, a gate, and a source are arranged in a vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer;
an input terminal of the CMOS inverter arranged so as to connect the gate of the first MOS transistor with the gate of the second MOS transistor;
an output terminal of the CMOS inverter arranged so as to connect a drain diffusion layer of the first MOS transistor with a drain diffusion layer of the second MOS transistor in an island-shaped semiconductor lower layer;
a power supply wiring line for the first MOS transistor, which is arranged on a source diffusion layer of the first MOS transistor;
a power supply wiring line for the second MOS transistor, which is arranged on a source diffusion layer of the second MOS transistor,wherein the semiconductor device further has a coupling portion that is used to connect the output terminal of an n−
1th CMOS inverter with the input terminal of an nth CMOS inverter when arranging each of the n CMOS inverters with respect to the substrate, and the coupling portion is arranged between the substrate and the power supply wiring line for the first MOS transistor.
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Accused Products
Abstract
There is provided a semiconductor device formed of a highly integrated high-speed CMOS inverter coupling circuit using SGTs provided on at least two stages. A semiconductor device according to the present invention is formed of a CMOS inverter coupling circuit in which n (n is two or above) CMOS inverters are coupled with each other, each of the n inverters has: a pMOS SGT; an nMOS SGT, an input terminal arranged so as to connect a gate of the pMOS SGT with a gate of the nMOS SGT; an output terminal arranged to connect a drain diffusion layer of the pMOS SGT with a drain diffusion layer of the nMOS SGT in an island-shaped semiconductor lower layer; a pMOS SGT power supply wiring line arranged on a source diffusion layer of the pMOS SGT; and an nMOS SGT power supply wiring line arranged on a source diffusion layer of the NMOS SGT, and an n−1th output terminal is connected with an nth input terminal.
86 Citations
61 Claims
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1. A semiconductor device comprising a CMOS inverter coupling circuit that couples n (n is two or above) CMOS inverters with each other,
each of the n CMOS inverters having: -
a first MOS transistor for a first conductivity type channel, which has a structure where a drain, a gate, and a source are arranged in a vertical direction with respect to a substrate and the gate surrounds an island-shaped semiconductor layer; a second MOS transistor for a second conductivity type channel different from the first conductivity type channel, which has a structure where a drain, a gate, and a source are arranged in a vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the CMOS inverter arranged so as to connect the gate of the first MOS transistor with the gate of the second MOS transistor; an output terminal of the CMOS inverter arranged so as to connect a drain diffusion layer of the first MOS transistor with a drain diffusion layer of the second MOS transistor in an island-shaped semiconductor lower layer; a power supply wiring line for the first MOS transistor, which is arranged on a source diffusion layer of the first MOS transistor; a power supply wiring line for the second MOS transistor, which is arranged on a source diffusion layer of the second MOS transistor, wherein the semiconductor device further has a coupling portion that is used to connect the output terminal of an n−
1th CMOS inverter with the input terminal of an nth CMOS inverter when arranging each of the n CMOS inverters with respect to the substrate, and the coupling portion is arranged between the substrate and the power supply wiring line for the first MOS transistor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A semiconductor device comprising a CMOS inverter coupling circuit in which CMOS inverters on at least two stages are coupled with each other, the CMOS inverter having a first CMOS inverter and a second CMOS inverter,
wherein the first CMOS inverter is a CMOS inverter having: -
an n-channel semiconductor device having a structure where a drain, gate, and a source are arranged in a vertical direction with respect to a substrate and the gate surrounds an island-shaped semiconductor layer; a p-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the first CMOS inverter arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the first CMOS inverter arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in an island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with a source diffusion layer of the p-channel semiconductor device, the second CMOS inverter is a CMOS inverter having; an n-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; a p-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the second CMOS inverter arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the second CMOS inverter arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in the island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with a source diffusion layer of the p-channel semiconductor device, the output terminal of the first CMOS inverter connected with the input terminal of the second CMOS inverter, the first power supply wiring line connected with the source diffusion layer of the n-channel semiconductor device in the first CMOS inverter is connected with the first power supply wiring line VSS connected with the source diffusion layer of the n-channel semiconductor device in the second CMOS inverter on the source diffusion layers, and the second power supply wiring line connected with the source diffusion layer of the p-channel semiconductor device in the first CMOS inverter is connected with the second power supply wiring line connected with the source diffusion layer of the p-channel semiconductor device in the second CMOS inverter on the source diffusion layers. - View Dependent Claims (56, 59)
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54. A semiconductor device comprising a CMOS inverter coupling circuit in which CMOS inverters on at least two stages are coupled with each other, the CMOS inverter having a first CMOS inverter and a second CMOS inverter,
wherein the first CMOS inverter is a CMOS inverter having: -
one n-channel semiconductor device having a structure where a drain, gate, and a source are arranged in a vertical direction with respect to a substrate and the gate surrounds an island-shaped semiconductor layer; two p-channel semiconductor devices each having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the first CMOS inverter arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the first CMOS inverter arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in an island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with source diffusion layers of the two p-channel semiconductor devices, the second CMOS inverter is a CMOS inverter having; one n-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; two p-channel semiconductor devices each having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the second CMOS inverter arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the second CMOS inverter arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in the island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with source diffusion layers of the two p-channel semiconductor devices, the output terminal of the first CMOS inverter is connected with the input terminal of the second CMOS inverter, the first power supply wiring line VSS connected with the source diffusion layer of the n-channel semiconductor device in the first CMOS inverter is connected with the first power supply wiring line VSS connected with the source diffusion layer of the n-channel semiconductor device in the second CMOS inverter on the source diffusion layers, and the second power supply wiring line VCC connected with the source diffusion layers of the p-channel semiconductor devices in the first CMOS inverter is connected with the second power supply wiring line VCC connected with the source diffusion layers of the two p-channel semiconductor devices in the second CMOS inverter on the source diffusion layers. - View Dependent Claims (57, 60)
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55. A semiconductor device comprising a CMOS inverter coupling circuit in which CMOS inverters arranged in at least two rows and two columns are coupled with each other,
wherein the CMOS inverter in a first row and a second column is a CMOS inverter having: -
one n-channel semiconductor device having a structure where a drain, gate, and a source are arranged in a vertical direction with respect to a substrate and the gate surrounds an island-shaped semiconductor layer; two p-channel semiconductor devices each having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the CMOS inverter in the first row and the second column, which is arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the CMOS inverter in the first row and the second column, which is arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in an island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with source diffusion layers of the two p-channel semiconductor devices, the CMOS inverter in the first row and a first column is a CMOS inverter having; one n-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; two p-channel semiconductor devices each having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the CMOS inverter in the first row and the first column, which is arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the CMOS inverter in the first row and the first column, which is arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in the island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with source diffusion layers of the two p-channel semiconductor devices, the output terminal of the CMOS inverter in the first row and the second column is connected with the input terminal of the CMOS inverter in the first row and the first column in the CMOS inverter coupling circuit, the CMOS inverter in a second row and the second column is a CMOS inverter having; one n-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; two p-channel semiconductor devices each having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the CMOS inverter in the second row and the second column, which is arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the CMOS inverter in the second row and the second column arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in the island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with source diffusion layers of the two p-channel semiconductor devices, the CMOS inverter in the second row and the first column is a CMOS inverter having; one n-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; two p-channel semiconductor device having a structure where a drain, a gate, and a source are arranged in the vertical direction with respect to the substrate and the gate surrounds an island-shaped semiconductor layer; an input terminal of the CMOS inverter in the second row and the first column, which is arranged so as to connect the gate of the n-channel semiconductor device with the gate of the p-channel semiconductor device; an output terminal of the CMOS inverter in the second row and the first column, which is arranged so as to connect a drain diffusion layer of the n-channel semiconductor device with a drain diffusion layer of the p-channel semiconductor device in the island-shaped semiconductor lower layer; a first power supply wiring line connected with a source diffusion layer of the n-channel semiconductor device; and a second power supply wiring line connected with source diffusion layers of the two p-channel semiconductor devices, the output terminal of the CMOS inverter in the second row and the second column is connected with the input terminal of the CMOS inverter in the second row and the first column in the CMOS inverter coupling circuit, and the first power supply wiring line connected with the source diffusion layer of the n-channel semiconductor device in the CMOS inverter in the first row and the second column; the first power supply wiring line connected with the source diffusion layer of the n-channel semiconductor device in the CMOS inverter in the first row and the first column; the first power supply wiring line connected with the source diffusion layer of the n-channel semiconductor device in the CMOS inverter in the second row and the second column; and the first power supply wiring line VSS connected with the source diffusion layer of the n-channel semiconductor device of the CMOS inverter in the second row and the first column are connected with each other on the source diffusion layers, and the second power supply wiring line connected with the source diffusion layers of the two p-channel semiconductor devices in the CMOS inverter in the first row and the second column; the second power supply wiring line connected with the source diffusion layers of the two p-channel semiconductor devices in the CMOS inverter in the second row and the second column; the second power supply wiring line connected with the source diffusion layers of the two p-channel semiconductor devices in the CMOS inverter in the first row and the first column; and the second power supply wiring line connected with the source diffusion layers of the two p-channel semiconductor devices in the CMOS inverter in the second row and the first column are connected with each other on the source diffusion layers. - View Dependent Claims (58, 61)
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Specification