Datasheet

www.ti.com
APPLICATIONINFORMATION
PCA9548A
SD1
SDA
Channel 0
Channel 1
Channel 2
Channel 3
See Note A
I
2
C/SMBus
Master
SCL
RESET
SC1
SD2
SC2
SD3
SC3
SD0
SC0
V
C
C
= 2.7 V to 5.5 V
V
CC
= 3.3 V
V
CC
= 2.7 V to 5.5 V
V
CC
= 2.7 V to 5.5 V
V
CC
= 2.7 V to 5.5 V
V
CC
= 2.7 V to 5.5 V
See Note A
See Note A
See Note A
SDA
SCL
A2
A1
A0
GND
23
22
3
12
1
2
21
24
1
1
10
9
8
7
6
5
4
SD5
Channel 4
Channel 5
Channel 6
Channel 7
See Note A
SC5
SD6
SC6
SD7
SC7
SD4
SC4
V
C
C
= 2.7 V to 5.5 V
V
CC
= 2.7 V to 5.5 V
V
CC
= 2.7 V to 5.5 V
V
CC
= 2.7 V to 5.5 V
See Note A
See Note A
See Note A
20
19
18
17
16
15
14
13
RESET
PCA9548A
8-CHANNELI
2
CSWITCH
WITHRESET
SCPS143C–OCTOBER2006–REVISEDJUNE2007
Figure11showsanapplicationinwhichthePCA9548Acanbeused.
A.PinnumbersshownarefortheDB,DW,PW,andDGVpackages.
Figure11.TypicalApplication
15
SubmitDocumentationFeedback
Not Recommended For New Designs