Output drivers preferably contain a plurality of driver circuits therein that are commonly connected to an output line to be driven and can be selectively enabled or disabled to increase or decrease drive capability, respectively. Driver circuits may include first and second control signal lines (e.g.,...http://www.google.de/patents/US6362656?utm_source=gb-gplus-sharePatent US6362656 - Integrated circuit memory devices having programmable output driver circuits therein
