74HC564 Octal D-type flip-flop; positive-edge trigger; 3-state; inverting
74HC564D Octal D-type flip-flop; positive-edge trigger; 3-state; inverting
74HC564D-T Octal D-Type Flip-Flop
74HC564N Octal D-type flip-flop; positive-edge trigger; 3-state; inverting