Datasheet
PCA9540B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 5 May 2014 4 of 27
NXP Semiconductors
PCA9540B
2-channel I
2
C-bus multiplexer
5. Pinning information
5.1 Pinning
5.2 Pin description
Fig 2. Pin configuration for SO8 Fig 3. Pin configuration for TSSOP8
Fig 4. Pin configuration for XSON8
PCA9540BD
SCL SC1
SDA SD1
V
DD
V
SS
SD0 SC0
002aae713
1
2
3
4
6
5
8
7
PCA9540BDP
SCL SC1
SDA SD1
V
DD
V
SS
SD0 SC0
002aae714
1
2
3
4
6
5
8
7
002aae753
PCA9540BGD
Transparent top view
8
7
6
5
1
2
3
4
SCL
SDA
V
DD
SD0
SC1
SD1
V
SS
SC0
Table 3. Pin description
Symbol Pin Description
SCL 1 serial clock line
SDA 2 serial data line
V
DD
3 supply voltage
SD0 4 serial data 0
SC0 5 serial clock 0
V
SS
6 supply ground
SD1 7 serial data 1
SC1 8 serial clock 1
