PCA9518 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
PCA9518 Datasheet PDF : 21 Pages
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NXP Semiconductors
5. Pinning information
5.1 Pinning
PCA9518
Expandable 5-channel I2C-bus hub
EXPSCL1 1
EXPSCL2 2
SCL0 3
SDA0 4
SCL1 5
SDA1 6
EN1 7
SCL2 8
SDA2 9
GND 10
PCA9518D
20 VCC
19 EXPSDA2
18 EXPSDA1
17 EN4
16 SDA4
15 SCL4
14 EN3
13 SDA3
12 SCL3
11 EN2
002aac739
Fig 3. Pin configuration for SO20
EXPSCL1 1
EXPSCL2 2
SCL0 3
SDA0 4
SCL1 5
SDA1 6
EN1 7
SCL2 8
SDA2 9
GND 10
PCA9518PW
20 VCC
19 EXPSDA2
18 EXPSDA1
17 EN4
16 SDA4
15 SCL4
14 EN3
13 SDA3
12 SCL3
11 EN2
002aac740
Fig 4. Pin configuration for TSSOP20
5.2 Pin description
Table 2. Pin description
Symbol
Pin
EXPSCL1
1
EXPSCL2
2
SCL0
3
SDA0
4
SCL1
5
SDA1
6
EN1
7
SCL2
8
SDA2
9
GND
10
EN2
11
SCL3
12
SDA3
13
EN3
14
SCL4
15
SDA4
16
EN4
17
EXPSDA1
18
EXPSDA2
19
VCC
20
Description
expandable serial clock pin 1
expandable serial clock pin 2
serial clock bus 0
serial data bus 0
serial clock bus 1
serial data bus 1
active HIGH bus 1 enable input
serial clock bus 2
serial data bus 2
supply ground
active HIGH bus 2 enable input
serial clock bus 3
serial data bus 3
active HIGH bus 3 enable input
serial clock bus 4
serial data bus 4
active HIGH bus 4 enable input
expandable serial data pin 1
expandable serial data pin 2
supply voltage
PCA9518_5
Product data sheet
Rev. 05 — 2 December 2008
© NXP B.V. 2008. All rights reserved.
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