The 'ACTQ541 is similar to the 'ACTQ244 while providing flow-through architecture (inputs on opposite sides from outputs). This pinout arrangement makes this device especially useful as an output port for microprocessors, allowing ease of layout and greater PC board density. The 'ACTQ541 utilizes NSC Quiet Series technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet SeriesTM features GTOTM output control and undershoot corrector in addition to a split ground bus for superior ACMOS performance.