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PCA9518DBRG4 Datasheet(PDF) 3 Page - Texas Instruments

Part # PCA9518DBRG4
Description  EXPANDABLE FIVE-CHANNEL I2C HUB
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA9518DBRG4 Datasheet(HTML) 3 Page - Texas Instruments

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PCA9518
EXPANDABLE FIVE-CHANNEL I2C HUB
SCPS132A – JUNE 2006 – REVISED JULY 2007
TERMINAL FUNCTIONS
SOIC, SSOP,
TSSOP, OR
NAME
DESCRIPTION
QSOP PIN NO.
1
EXPSCL1
Expandable serial clock pin 1. Connect to VCC through a pullup resistor.
2
EXPSCL2
Expandable serial clock pin 2. Connect to VCC through a pullup resistor.
3
SCL0
Serial clock bus 0. Connect to VCC through a pullup resistor.
4
SDA0
Serial data bus 0. Connect to VCC through a pullup resistor.
5
SCL1
Serial clock bus 1. Connect to VCC through a pullup resistor.
6
SDA1
Serial data bus 1. Connect to VCC through a pullup resistor.
7
EN1
Active-high bus enable 1
8
SCL2
Serial clock bus 2. Connect to VCC through a pullup resistor.
9
SDA2
Serial data bus 2. Connect to VCC through a pullup resistor.
10
GND
Ground
11
EN2
Active-high bus enable 2
12
SCL3
Serial clock bus 3. Connect to VCC through a pullup resistor.
13
SDA3
Serial data bus 3. Connect to VCC through a pullup resistor.
14
EN3
Active-high bus enable 3
15
SCL4
Serial clock bus 4. Connect to VCC through a pullup resistor.
16
SDA4
Serial data bus 4. Connect to VCC through a pullup resistor.
17
EN4
Active-high bus enable 4
18
EXPSDA1
Expandable serial data pin 1. Connect to VCC through a pullup resistor.
19
EXPSDA2
Expandable serial data pin 2. Connect to VCC through a pullup resistor.
20
VCC
Supply voltage
FUNCTION TABLE(1)(2)(3)
INPUTS
FUNCTION
EN1
EN2
EN3
EN4
SCL1
SCL2
SCL3
SCL4
SDA1
SDA2
SDA3
SDA4
L
L
L
L
Disconnect
Disconnect
Disconnect
Disconnect
Disconnect
Disconnect
Disconnect
Disconnect
L
L
L
H
Disconnect
Disconnect
Disconnect
SCL0
Disconnect
Disconnect
Disconnect
SDA0
L
L
H
L
Disconnect
Disconnect
SCL0
Disconnect
Disconnect
Disconnect
SDA0
Disconnect
L
L
H
H
Disconnect
Disconnect
SCL0
SCL0
Disconnect
Disconnect
SDA0
SDA0
L
H
L
L
Disconnect
SCL0
Disconnect
Disconnect
Disconnect
SDA0
Disconnect
Disconnect
L
H
L
H
Disconnect
SCL0
Disconnect
SCL0
Disconnect
SDA0
Disconnect
SDA0
L
H
H
L
Disconnect
SCL0
SCL0
Disconnect
Disconnect
SDA0
SDA0
Disconnect
L
H
H
H
Disconnect
SCL0
SCL0
SCL0
Disconnect
SDA0
SDA0
SDA0
H
L
L
L
SCL0
Disconnect
Disconnect
Disconnect
SDA0
Disconnect
Disconnect
Disconnect
H
L
L
H
SCL0
Disconnect
Disconnect
SCL0
SDA0
Disconnect
Disconnect
SDA0
H
L
H
L
SCL0
Disconnect
SCL0
Disconnect
SDA0
Disconnect
SDA0
Disconnect
H
L
H
H
SCL0
Disconnect
SCL0
SCL0
SDA0
Disconnect
SDA0
SDA0
H
H
L
L
SCL0
SCL0
Disconnect
Disconnect
SDA0
SDA0
Disconnect
Disconnect
H
H
L
H
SCL0
SCL0
Disconnect
SCL0
SDA0
SDA0
Disconnect
SDA0
H
H
H
L
SCL0
SCL0
SCL0
Disconnect
SDA0
SDA0
SDA0
Disconnect
H
H
H
H
SCL0
SCL0
SCL0
SCL0
SDA0
SDA0
SDA0
SDA0
(1)
SCL from master = SCL0
(2)
SDA from master = SDA0
(3)
See Description and Application Information for information on EXPxxx1 and EXPxxx2 behavior.
3
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