PCA9546APW,112 NXP Semiconductors, PCA9546APW,112 Datasheet - Page 10

• Manufacturer Part Number: PCA9546APW,112
• Description: IC I2C SWITCH 4CH 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9546APW,112

• Package / Case: 16-TSSOP
• Applications: 4-Channel I²C Switcher
• Interface: I²C, SMBus
• Voltage - Supply: 2.3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Product: Multiplexer
• Number Of Lines (input / Output): 4.0 / 1.0
• Propagation Delay Time: 0.3 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Input Lines: 4.0
• Number Of Output Lines: 1.0
• Power Dissipation: 400 mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-5026; 935275813112; PCA9546APW; PCA9546APW,112; PCA9546APW

NXP Semiconductors
PCA9546A_5
Product data sheet
7.5 Bus transactions
Data is transmitted to the PCA9546A control register using the Write mode as shown in
Figure
Data is read from PCA9546A using the Read mode as shown in
Fig 12. Write control register
Fig 13. Read control register
SDA
SDA
12.
START condition
START condition
S
S
1
1
1
1
slave address
slave address
1
1
Rev. 05 — 2 July 2009
0
0
A2
A2
A1
A1
A0
A0
R/W
R/W
0
1
A
A
acknowledge
from slave
acknowledge
from slave
X
X
4-channel I
X
X
X
X
control register
control register
X
X
B3
B3
2
C-bus switch with reset
Figure
PCA9546A
B2
B2
no acknowledge
B1
acknowledge
B1
© NXP B.V. 2009. All rights reserved.
13.
from master
from slave
STOP condition
STOP condition
B0
B0
last byte
002aab196
002aab197
NA
A
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P
P