Patent ID: 6784729
Filing Date: 2004-08-31
Classification: H03K

Abstract:
An electronic circuit comprising:a differential amplifier having a first input terminal, a second input terminal, a first input transistor, and a second input transistor, wherein the first input terminal is coupled to a gate node of the first input transistor and the second input terminal is coupled to the gate node of the second input transistor, and a pull-up circuit comprising: a first transistor having a source node coupled to a core voltage node; a second transistor coupled in series with the first transistor such that a source node of the second transistor is coupled to the drain and gate nodes of the first transistor, and a third transactor coupled in series with the first transistor and in parcel with the second transistor such that a source node of the third transistor is coupled to the drain and gate nodes of the first transistor, wherein a drain node of the second transistor is coupled to the drain node of the first input transistor and a drain node of the third transistor is coupled to the drain node of the second input transistor.