Das hier gilt für die Ausgänge:
OUTPUT CURRENT TO 500 mA
OUTPUT VOLTAGE TO 50 V
INTEGRAL SUPPRESSION DIODES

Das hier gilt für die Eingänge:
Five versions are available to simplify interfacing to standard logic families:
the ULN2801A is designed for general purpose applications with a current limit resistor ;
the ULN2802A has a 10.5k inputresistor and zenerfor 14-25VPMOS;
the ULN2803A has a 2.7k input resistor for 5V TTL and CMOS ;
the ULN2804A has a 10.5k input resistor for 6-15V CMOS and
the ULN2805A is designed to sink a minimum of 350mA for standard and Schottky TTL where higher output current is required.

PS:
Ach ja, die gelben Pfeile links (bei PullUp und PullDown) sind die Pins des Controllers, richtig?
JA