PCA9544APW,112 NXP Semiconductors, PCA9544APW,112 Datasheet - Page 11

• Manufacturer Part Number: PCA9544APW,112
• Description: IC I2C MUX 4CH BI-DIR 20-TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9544APW,112

• Package / Case: 20-TSSOP
• Applications: 4-Channel I²C Multiplexer
• Interface: I²C
• Voltage - Supply: 2.3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Product: Decoders, Encoders, Multiplexers & Demultiplexers
• Logic Family: PCA
• Number Of Lines (input / Output): 8.0 / 10.0
• Propagation Delay Time: 0.3 ns
• Supply Voltage (max): 5.5 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: 8.0
• Number Of Output Lines: 10.0
• 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: 568-1045-5; 935275806112; PCA9544APW

NXP Semiconductors
PCA9544A_4
Product data sheet
7.5 Bus transactions
Fig 12. Write control register
Fig 13. Read control register
SDA
SDA
START condition
START condition
S
S
1
1
1
1
slave address
slave address
1
1
Rev. 04 — 15 June 2009
0
0
A2
A2
A1
A1
A0
A0
4-channel I
R/W
R/W
0
1
A
A
acknowledge
from slave
acknowledge
from slave
INT
X
3
2
C-bus multiplexer with interrupt logic
INT
X
2
INT
X
1
control register
control register
INT
X
0
X
X
PCA9544A
B2
B2
no acknowledge
B1
acknowledge
B1
© NXP B.V. 2009. All rights reserved.
from master
from slave
STOP condition
STOP condition
B0
B0
last byte
002aae299
002aae300
NA
A
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P
P