PCA9549PW NXP [NXP Semiconductors], PCA9549PW Datasheet - Page 15
PCA9549PW
Manufacturer Part Number
PCA9549PW
Description
Octal bus switch with individually I2C-bus controlled enables
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCA9549PW.pdf
(25 pages)
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NXP Semiconductors
11. Application information
PCA9549_2
Product data sheet
Fig 16. Typical application
Remark: B can also be input and A can also be output as shown in bit 8.
Fig 17. Custom multiplexer or demultiplexer application
V
I
2
DD
C-bus/SMBus
MASTER
= 5.0 V
SDA
SCL
A
Rev. 02 — 13 July 2009
Octal bus switch with individually I
B
A
SDA
SCL
RESET
A1
A0
V
A2
SS
B
V
C
PCA9549
DD
C
= 5.0 V
D
D
1A
1B
2A
2B
3A
3B
4A
4B
5A
5B
6A
6B
7A
7B
8A
8B
E
E
002aaa995
2
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
bit 8
C-bus controlled enables
002aac279
SCL
SDA
RESET
PCA9549
© NXP B.V. 2009. All rights reserved.
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