Semiconductor device and electronic device
First Claim
1. A semiconductor device comprising:
- a first transistor;
a second transistor;
a third transistor;
a fourth transistor;
a fifth transistor; and
a sixth transistor,wherein a first terminal of the first transistor is electrically connected to a first wiring,wherein a second terminal of the first transistor is electrically connected to a second wiring,wherein a gate of the second transistor is electrically connected to a third wiring,wherein a first terminal of the second transistor is electrically connected to the third wiring,wherein a second terminal of the second transistor is electrically connected to a gate of the first transistor,wherein a gate of the third transistor is electrically connected to a fourth wiring,wherein a first terminal of the third transistor is electrically connected to a fifth wiring,wherein a second terminal of the third transistor is electrically connected to the second wiring,wherein a gate of the fourth transistor is electrically connected to the fourth wiring,wherein a first terminal of the fourth transistor is electrically connected to the fifth wiring,wherein a second terminal of the fourth transistor is electrically connected to the gate of the first transistor,wherein a first terminal of the fifth transistor is electrically connected to the second wiring,wherein a second terminal of the fifth transistor is electrically connected to the fifth wiring,wherein a gate of the fifth transistor is electrically connected to a sixth wiring,wherein a first terminal of the sixth transistor is electrically connected to the gate of the first transistor,wherein a second terminal of the sixth transistor is electrically connected to the fifth wiring,wherein a channel width of the third transistor is larger than a channel width of the fourth transistor, andwherein a channel width of the first transistor is larger than a channel width of the second transistor.
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Accused Products
Abstract
An object is to improve the drive capability of a semiconductor device. The semiconductor device includes a first transistor and a second transistor. A first terminal of the first transistor is electrically connected to a first wiring. A second terminal of the first transistor is electrically connected to a second wiring. A gate of the second transistor is electrically connected to a third wiring. A first terminal of the second transistor is electrically connected to the third wiring. A second terminal of the second transistor is electrically connected to a gate of the first transistor. A channel region is formed using an oxide semiconductor layer in each of the first transistor and the second transistor. The off-state current of each of the first transistor and the second transistor per channel width of 1 μm is 1 aA or less.
183 Citations
16 Claims
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1. A semiconductor device comprising:
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a first transistor; a second transistor; a third transistor; a fourth transistor; a fifth transistor; and a sixth transistor, wherein a first terminal of the first transistor is electrically connected to a first wiring, wherein a second terminal of the first transistor is electrically connected to a second wiring, wherein a gate of the second transistor is electrically connected to a third wiring, wherein a first terminal of the second transistor is electrically connected to the third wiring, wherein a second terminal of the second transistor is electrically connected to a gate of the first transistor, wherein a gate of the third transistor is electrically connected to a fourth wiring, wherein a first terminal of the third transistor is electrically connected to a fifth wiring, wherein a second terminal of the third transistor is electrically connected to the second wiring, wherein a gate of the fourth transistor is electrically connected to the fourth wiring, wherein a first terminal of the fourth transistor is electrically connected to the fifth wiring, wherein a second terminal of the fourth transistor is electrically connected to the gate of the first transistor, wherein a first terminal of the fifth transistor is electrically connected to the second wiring, wherein a second terminal of the fifth transistor is electrically connected to the fifth wiring, wherein a gate of the fifth transistor is electrically connected to a sixth wiring, wherein a first terminal of the sixth transistor is electrically connected to the gate of the first transistor, wherein a second terminal of the sixth transistor is electrically connected to the fifth wiring, wherein a channel width of the third transistor is larger than a channel width of the fourth transistor, and wherein a channel width of the first transistor is larger than a channel width of the second transistor. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A semiconductor device comprising:
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a first transistor; a second transistor; a third transistor; a fourth transistor; a fifth transistor; a sixth transistor; a seventh transistor; and an eighth transistor, wherein a first terminal of the first transistor is electrically connected to a first wiring, wherein a second terminal of the first transistor is electrically connected to a second wiring, wherein a gate of the second transistor is electrically connected to a third wiring, wherein a first terminal of the second transistor is electrically connected to the third wiring, wherein a second terminal of the second transistor is electrically connected to a gate of the first transistor, wherein a gate of the fourth transistor is electrically connected to a fourth wiring, wherein a first terminal of the third transistor is electrically connected to a fifth wiring, wherein a second terminal of the third transistor is electrically connected to the second wiring, wherein a first terminal of the fourth transistor is electrically connected to the fifth wiring, wherein a second terminal of the fourth transistor is electrically connected to the gate of the first transistor, wherein a first terminal of the fifth transistor is electrically connected to the third wiring, wherein a second terminal of the fifth transistor is electrically connected to a gate of the fifth transistor, wherein a first terminal of the sixth transistor is electrically connected to the third wiring, wherein a gate of the sixth transistor is electrically connected to the third wiring, wherein a first terminal of the seventh transistor is electrically connected to the fourth wiring, wherein a second terminal of the seventh transistor is electrically connected to a gate of the seventh transistor, wherein a first terminal of the eighth transistor is electrically connected to the fourth wiring, wherein a gate of the eighth transistor is electrically connected to the fourth wiring, wherein the second terminal of the fifth transistor is electrically connected to the second terminal of the seventh transistor, wherein a second terminal of the sixth transistor is electrically connected to a second terminal of the eighth transistor, and wherein a channel width of the first transistor is larger than a channel width of the second transistor. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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Specification