ꢀꢁ ꢂꢃ ꢄ ꢄ ꢅ ꢆꢇ ꢀ ꢁꢂ ꢃ ꢄ ꢄꢃ ꢆ ꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢈ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢉ ꢆꢇ ꢀꢁ ꢊ ꢃ ꢄ ꢄ ꢈꢆ ꢇ ꢀ ꢁꢊ ꢃꢄ ꢄꢉ ꢆ
ꢋꢌ ꢍꢋ ꢎꢏꢐ ꢁꢑꢆꢍ ꢒ ꢋꢌ ꢍꢋ ꢎꢓ ꢀꢔ ꢔ ꢒꢂ ꢑ
ꢕꢆꢔ ꢁꢌ ꢂꢍ ꢑꢐ ꢂ ꢑ ꢔꢆꢂꢖ ꢌꢖꢑꢐꢔ ꢆ ꢔꢔ ꢆꢗ
The ULN2001A is obsolete
and is no longer supplied.
SLRS027G − DECEMBER 1976 − REVISED JUNE 2004
APPLICATION INFORMATION
ULN2003A
ULN2002A
ULQ2003A
V
CC
V
V
SS
V
1
2
1
2
16
15
14
16
15
14
3
4
3
4
13
12
11
10
9
13
12
11
10
9
5
5
6
7
8
6
7
8
P-MOS
Output
Lamp
Test
TTL
Output
Figure 17. TTL to Load
Figure 16. P-MOS to Load
ULN2003A
ULQ2003A
ULN2004A
ULQ2004A
V
CC
V
V
DD
V
1
1
2
16
16
15
14
2
3
15
14
3
4
R
P
4
5
13
12
11
10
9
13
12
11
10
9
5
6
7
8
6
7
8
CMOS
Output
TTL
Output
Figure 19. Use of Pullup Resistors
to Increase Drive Current
Figure 18. Buffer for Higher Current Loads
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
