Datasheet
ULN2003LV
IN3
IN4
OUT1
OUT2
OUT3
OUT4
IN5
IN6
IN7
GND
OUT5
OUT6
OUT7
COM
IN1
IN2
Logic Inputs
(1.8V to 5V)
VSUP
IN1 NOR IN2 IN3 NOR IN4
VSUP
VSUP
IN1 NOR IN2 NOR IN3
ULN2003LV
SLRS059A –APRIL 2012–REVISED APRIL 2012
www.ti.com
NOR Logic Driver
Figure 8 shows a NOR Logic driver implementation using ULN2003LV. The output channels sharing a common
pull-up resistor implement a logic NOR of the respective channel inputs. The LEDs connected to outputs OUT5-
OUT7 light up when any of the inputs IN5-IN7 is logic-high ( > VIH).
Figure 8. ULN2003LV as a NOR driver
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