Patent ID: 8564318
Filing Date: 2013-10-22
Classification: G01R,H03K

Abstract:
1. A semiconductor device, comprising: a power-supply circuit which produces a first voltage potential; a first terminal; a second terminal which receives a mode signal; an inverter which receives the mode signal and outputs an inverted mode signal; a first transfer circuit which includes a first transistor of a first conductivity type and a second transistor of a second conductivity type, the first transistor coupled between the power-supply circuit and a first node, the second transistor coupled between the power-supply circuit and the first node in parallel with the first transistor, a control gate of the first transistor supplied with the inverted mode signal and a control gate of the second transistor supplied with the mode signal; a resistor coupled between the first node and a second node; a second transfer circuit which includes a third transistor of the first conductivity type and a fourth transistor of the second conductivity type, the third transistor coupled between the second node and the first terminal, the fourth transistor coupled between the second node and the first terminal in parallel with the third transistor, a control gate of the third transistor supplied with the inverted mode signal and a control gate of the fourth transistor supplied with the mode signal, and a fifth transistor of the second conductivity type coupled between the second node and a first power source, the fifth transistor having a control gate terminal and a source terminal, the control gate terminal and the source terminal being coupled electrically to each other.