Patent ID: 6861889
Filing Date: 2005-03-01
Classification: G09G,H03K

Abstract:
1. An amplitude converting circuit converting a first signal, having a first voltage as an amplitude, to a second voltage, having a second voltage as an amplitude, the second voltage being higher than the first voltage, the circuit comprising: first and second transistors of a first conductivity type, receiving at respective first electrodes the second voltage, and having second electrodes connected to first and second output nodes for outputting the second signal and a complement of the second signal, respectively, and input electrodes connected to the second and first output nodes, respectively; third and fourth transistors of a second conductivity type having first electrodes connected to the first and second output nodes, respectively; and a driving circuit driven by the first signal and a complement of the first signal, applying a third voltage, higher than the first voltage, between an input electrode and a second electrode of said third transistor, in response to a leading edge of the first signal, to render said third transistor conductive, and applying the third voltage between an input electrode and a second electrode of said fourth transistor, in response to a trailing edge of the first signal, to render said fourth transistor conductive, said driving circuit including