Datasheet

PCA9543A_43B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 8 — 3 April 2014 4 of 28
NXP Semiconductors
PCA9543A/43B
2-channel I
2
C-bus switch with interrupt logic and reset
5. Pinning information
5.1 Pinning
5.2 Pin description
Fig 2. Pin configuration for SO14 Fig 3. Pin configuration for TSSOP14
PCA9543AD
A0 V
DD
A1 SDA
RESET SCL
INT0 INT
SD0 SC1
SC0 SD1
V
SS
INT1
002aab178
1
2
3
4
5
6
7 8
10
9
12
11
14
13
V
DD
SDA
SCL
INT
SC1
SD1
INT1
A0
A1
RESET
INT0
SD0
SC0
V
SS
PCA9543APW
PCA9543BPW
002aab179
1
2
3
4
5
6
7
8
10
9
12
11
14
13
Table 3. Pin description
Symbol Pin Description
A0 1 address input 0
A1 2 address input 1
RESET
3 active LOW reset input
INT0
4 active LOW interrupt input 0
SD0 5 serial data 0
SC0 6 serial clock 0
V
SS
7 supply ground
INT1
8 active LOW interrupt input 1
SD1 9 serial data 1
SC1 10 serial clock 1
INT
11 active LOW interrupt output
SCL 12 serial clock line
SDA 13 serial data line
V
DD
14 supply voltage