Patent ID: 7230868
Filing Date: 2007-06-12
Classification: G11C

Abstract:
1. An amplifier circuit, comprising: a first power supply terminal; a second power supply terminal; a first terminal; a second terminal; a first input terminal; a second input terminal; a first transistor having a current path of a first conductivity type coupled between the first power supply terminal and the first terminal; a second transistor having a current path of the first conductivity type coupled between the first power supply terminal and the second terminal; a third transistor having a current path of a second conductivity type coupled between the first terminal and the first input terminal; a fourth transistor having a current path of the second conductivity type coupled between the second terminal and the second input terminal; a first pull down transistor having a control gate and a current path of the second conductivity type, the current path coupled between the first input terminal and the second power supply terminal; a second pull down transistor having a control gate coupled to the control gate of the first pull down transistor and coupled to receive a control signal, and having a current path of the second conductivity type coupled between the second input terminal and the second power supply terminal; and a third pull down transistor having a control gate coupled to the control gate of the first pull down transistor, and having a current path coupled between the first input terminal and the second input terminal.