PCA9549PW NXP [NXP Semiconductors], PCA9549PW Datasheet - Page 10

• Manufacturer Part Number: PCA9549PW
• Description: Octal bus switch with individually I2C-bus controlled enables
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
8. Limiting values
PCA9549_2
Product data sheet
7.4 Bus transactions
Data is transmitted to the PCA9549 control register using the Write mode as shown in
Figure
Data is read from the PCA9549 using the Read mode as shown in
Table 5.
In accordance with the Absolute Maximum Rating System (IEC 60134).
[1]
Symbol
V
V
I
I
I
I
P
T
T
I
O
DD
SS
Fig 12. Write control register
Fig 13. Read control register
stg
amb
DD
I
tot
SDA
SDA
The performance capability of a high-performance integrated circuit in conjunction with its thermal
environment can create junction temperatures which are detrimental to reliability. The maximum junction
temperature of this integrated circuit should not exceed 125 C.
12.
S
S
START condition
START condition
Limiting values
Parameter
supply voltage
input voltage
input current
output current
supply current
ground supply current
total power dissipation
storage temperature
ambient temperature
1
1
1
1
slave address
slave address
1
1
Rev. 02 — 13 July 2009
Octal bus switch with individually I
0
0
A2
A2
A1
A1
A0
A0
R/W
R/W
Conditions
operating
0
1
A
A
acknowledge
from slave
acknowledge
from slave
B7
B7
B6
B6
B5
B5
control register
control register
Min
-
B4
B4
0.5
0.5
20
25
100
100
60
40
2
C-bus controlled enables
B3
B3
[1]
Figure
B2
B2
no acknowledge
PCA9549
Max
+7.0
+7.0
+20
+25
+100
+100
400
+150
+85
B1
acknowledge
B1
© NXP B.V. 2009. All rights reserved.
from master
from slave
STOP condition
STOP condition
13.
B0
B0
last byte
002aac430
002aac431
A
A
Unit
V
V
mA
mA
mA
mA
mW
C
C
10 of 25
P
P