Patent ID: 6366137
Filing Date: 2002-04-02
Classification: H03K

Abstract:
A device for comparing two input signals comprising:a first comparator for receiving the input signals and having a switching being expressed by a change-over of an output from a first logic state to a second logic state, the change-over of the output from the first logic state to the second logic state being faster than the change-over in an opposite direction; a second comparator for receiving inverted input signals so that the switching operations in the first and second comparators are inverted; a first logic circuit for receiving an output of the first comparator and for accelerating an inverse switching in the second comparator for a change in the output corresponding to a fastest change-over; and a second logic circuit for receiving an output of the second comparator and for accelerating an inverse switching in the first comparator for a change in the output corresponding to the fastest change-over.