Patent ID: 7256617

Claim:
A communication system, comprising: a pull-up driver portion arranged to generate a first transition on a data signal, the pull-up driver portion comprising: at least one pull-up device operatively connected to the data signal, and pull-up control circuitry arranged to modulate a drive strength of the pull-up device dependent on a feedback of the data signal to the pull-up control circuitry; and a pull-down driver portion arranged to generate a second transition on the data signal, the pull-down driver portion comprising: at least one pull-down device operatively connected to the data signal, and pull-down control circuitry arranged to modulate a drive strength of the pull-down device dependent on a feedback of the data signal to the pull-down control circuitry, wherein at least one of: the pull-up control circuitry is arranged to form a voltage potential divider at an input to the pull-up device dependent on the first transition; and the pull-down control circuitry is arranged to form a voltage potential divider at an input to the pull-down device dependent on the second transition.