PCA9544A View Datasheet(PDF) - NXP Semiconductors.
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PCA9544A Datasheet PDF : 31 Pages
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NXP Semiconductors
5. Pinning information
5.1 Pinning
PCA9544A
4-channel I2C-bus multiplexer with interrupt logic
A0 1
A1 2
A2 3
INT0 4
SD0 5
SC0 6
INT1 7
SD1 8
SC1 9
VSS 10
PCA9544AD
20 VDD
19 SDA
18 SCL
17 INT
16 SC3
15 SD3
14 INT3
13 SC2
12 SD2
11 INT2
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Fig 2. Pin configuration for SO20
A0 1
A1 2
A2 3
INT0 4
SD0 5
SC0 6
INT1 7
SD1 8
SC1 9
VSS 10
PCA9544APW
20 VDD
19 SDA
18 SCL
17 INT
16 SC3
15 SD3
14 INT3
13 SC2
12 SD2
11 INT2
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Fig 3. Pin configuration for TSSOP20
terminal 1
index area
A2 1
INT0 2
SD0 3
SC0 4
INT1 5
PCA9544ABS
15 INT
14 SC3
13 SD3
12 INT3
11 SC2
Transparent top view
Fig 4. Pin configuration for HVQFN20
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PCA9544A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 23 April 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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