Datasheet

PCA9544A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 23 April 2014 4 of 31
NXP Semiconductors
PCA9544A
4-channel I
2
C-bus multiplexer with interrupt logic
5. Pinning information
5.1 Pinning
Fig 2. Pin configuration for SO20 Fig 3. Pin configuration for TSSOP20
Fig 4. Pin configuration for HVQFN20
PCA9544AD
A0 V
DD
A1 SDA
A2 SCL
INT0 INT
SD0 SC3
SC0 SD3
INT1 INT3
SD1 SC2
SC1 SD2
V
SS
INT2
002aae293
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
A0 V
DD
A1 SDA
A2 SCL
INT0 INT
SD0 SC3
SC0 SD3
INT1 INT3
SD1 SC2
SC1 SD2
V
SS
INT2
PCA9544APW
002aae294
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
002aae295
PCA9544ABS
Transparent top view
SC2
SC0
INT1
INT3
SD0 SD3
INT0 SC3
A2 INT
SD1 SC1
V
SS
INT2
SD2
A1 A0 V
DD
SDA SCL
5 11
4 12
3 13
2 14
1 15
6 7 8 9
10
20 19 18 17 16
terminal 1
index area