Semiconductor device with an inductor
A semiconductor device including an electrostatic discharge element that protects the semiconductor device from electrostatic destruction is provided. The semiconductor device includes a first circuit, a second circuit, a connection node connecting the first node to the second node, and a first inductor connected between the connection node and a first power supply. The first inductor and the electrostatic discharge element are formed so that they vertically overlap each other.
1. A semiconductor device comprising an electrostatic discharge element that protects the semiconductor device from electrostatic destruction, the semiconductor further comprising:
a first circuit;
a second circuit;
a third circuit configured for connection to a first power supply;
a first connection node connecting the first circuit to the second circuit and the third circuit; and
a first inductor connected between the first connection node and the third circuit,
wherein the first inductor and a first electrostatic discharge element of the electrostatic discharge element are formed so that they vertically overlap each other.
2. The semiconductor device according to claim 1 , wherein the first electrostatic discharge element is connected between the first connection node and a second power supply.
3. The semiconductor device according to claim 1 , wherein the first inductor is formed above the first electrostatic discharge element.
4. The semiconductor device according to claim 1 , wherein a resistance is connected in series with the first inductor between the first connection node and the first power supply.
5. The semiconductor device according to claim 1 , wherein a second inductor is connected between a connection point between the first connection node and the first inductor and the second circuit, and
the first inductor and the second inductor form a coupled inductor.
6. The semiconductor device according to claim 1 , wherein a third inductor is connected between a connection point between a second connection node and the first power supply.
7. The semiconductor device according to claim 1 , wherein a fourth inductor is connected between a connection point between a second connection node and a fourth circuit which includes a second output terminal.
8. The semiconductor device according to claim 1 , further comprising:
a second electrostatic discharge element of the electrostatic discharge element.
9. The semiconductor device according to claim 1 , wherein the first circuit includes an output buffer.
10. The semiconductor device according to claim 1 , wherein the third circuit includes the first power supply and a terminator.