Patent ID: 6639445
Filing Date: 2003-10-28
Classification: H03K

Abstract:
A semiconductor integrated circuit that converts input signals composed of first and second power supply potentials to output signals composed of third and fourth power supply potentials, the semiconductor integrated circuit comprising:first, second and third Pch transistors and first, second and third Nch transistors, wherein: a first terminal of the first Pch transistor connects to the third power supply potential; a first terminal of the second Pch transistor connects to the third power supply potential; a first terminal of the third Pch transistor connects to the first power supply potential; a first terminal of the first Nch transistor connects to the second power supply potential; a first terminal of the second Nch transistor connects to the fourth power supply potential; a first terminal of the third Nch transistor connects to the fourth power supply potential; a second terminal of the first Pch transistor connects to a second terminal of the first Nch transistor; a second terminal of the second Pch transistor connects to a second terminal of the second Nch transistor; a second terminal of the third Pch transistor connects to a second terminal of the third Nch transistor; a gate terminal of the first Pch transistor connects to the second terminal of the second Pch transistor; a gate terminal of the second Pch transistor connects to the second terminal of the first Pch transistor; a gate terminal of the third Pch transistor connects to an input terminal; a gate terminal of the first Nch transistor connects to the input terminal; a gate terminal of the second Nch transistor connects to the second terminal of the third Pch transistor; a gate terminal of the third Nch transistor connects to the second terminal of the second Pch transistor; and the second terminal of the second Pch transistor is an output terminal.