Patent ID: 7649387
Filing Date: 2010-01-19
Classification: H03K

Abstract:
1. An output driving circuit receiving an input signal and providing an output signal at an output node, comprising an inverter generating a first driving signal at a first node comprising: an output driver coupled to the inverter, comprising: a signal divider receiving the input signal and generating the second driving signal and a third driving signal according to the input terminal; a level shifter, coupled between the first high voltage source and the low voltage source, having an input terminal receiving the third driving signal and an output terminal outputting the first voltage signal; and a third N-type transistor having a control terminal coupled to a second high voltage source, a first terminal coupled to the input terminal of the level shifter, and a second terminal generating the second voltage signal, wherein a value of the first high voltage source is larger than a value of the second high voltage source.