ULN2002A, ULN2003A, ULN2003AI, ULN2004A
ULQ2003A, ULQ2004A
SLRS027J –DECEMBER 1976–REVISED JUNE 2010
www.ti.com
APPLICATION INFORMATION
ULN2002A
V
SS
V
ULQ2003A
V
CC
V
1
2
16
15
14
13
12
11
10
9
1
2
16
15
14
13
12
11
10
9
3
4
3
4
5
5
6
7
8
6
7
8
P-MOS
Output
Lam
Test
TTL
Output
Figure 19. P-MOS to Load
Figure 20. TTL to Load
ULN2004A
ULQ2004A
V
DD
V
V
V
ULQ2003A
CC
1
1
16
15
14
16
15
14
2
2
3
3
4
R
P
13
12
11
10
9
4
5
13
12
11
10
9
5
6
7
8
6
7
8
CMOS
Output
TTL
Output
Figure 21. Buffer for Higher Current Loads
Figure 22. Use of Pullup Resistors to Increase
Drive Current
12
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