Sry, war falsch. Hab nochmal nachgeschaut
74HC574(1)IC-Pin 11 --------------> pin29 an "floppy"
74HC574(2)IC-Pin 11 --------------> pin28 ´´
74HC574(3)IC-Pin 11 -------------->pin27 ´´
74HC574(4)IC-Pin 11 --------------> pin26 ´´