An interchip high speed I/O circuit having a low voltage swing and on-chip transmission line terminations. The present invention provides a high speed I/O circuit that uses a small voltage swing to keep power dissipation in the overall system to a minimum and particularly in the transmission line termination...http://www.google.se/patents/US5550496?utm_source=gb-gplus-sharePatent US5550496 - High speed I/O circuit having a small voltage swing and low power dissipation for high I/O count applications