I/O Expanders

I/O expandersare a type of computer hardware that allows more than one device to connect to a single port on a computer.

How do I/O expanders work?

The expander connects to a single spot, but has multiple connections for other devices. Such expanders offer the advantage of allowing more devices of a particular port type to be used at the same time. This commonly used w...

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Microchip 16-Channel I/O Expander I2C QFN 24, MCP23018T-E/MJ
Microchip 16-Channel I/O Expander I2C QFN 24, MCP23018T-E/MJ
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RS Stock No.: 598-174Brand: MicrochipManufacturers Part No.: MCP23018T-E/MJ

P.O.A.

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3300

Available in multiples of 3300
3300P.O.A.
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Microchip
I/O Expander
16
-
-
QFN
10MHz
I2C
-
5.5V
1.8V
-40°C
24
125°C
4mm
MCP
0.85mm
4 mm
No
AEC-Q100
Microchip 16-Channel I/O Expander I2C SOIC 28, MCP23018T-E/SO
Microchip 16-Channel I/O Expander I2C SOIC 28, MCP23018T-E/SO
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RS Stock No.: 598-183Brand: MicrochipManufacturers Part No.: MCP23018T-E/SO

P.O.A.

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1600

Available in multiples of 1600
1600P.O.A.
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Microchip
I/O Expander
16
-
-
SOIC
10MHz
I2C
-
5.5V
1.8V
-40°C
28
125°C
17.9mm
MCP
2.65mm
10.3 mm
No
AEC-Q100
Microchip 16-Channel I/O Expander I2C SOIC 28, MCP23S18T-E/SO
Microchip 16-Channel I/O Expander I2C SOIC 28, MCP23S18T-E/SO
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RS Stock No.: 599-056Brand: MicrochipManufacturers Part No.: MCP23S18T-E/SO

P.O.A.

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1600

Available in multiples of 1600
1600P.O.A.
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Microchip
I/O Expander
16
-
-
SOIC
10MHz
I2C
-
5.5V
1.8V
-40°C
28
125°C
17.9mm
MCP
2.65mm
10.3 mm
No
AEC-Q100
Microchip 16-Channel I/O Expander I2C SPDIP 28, MCP23S18-E/SP
Microchip 16-Channel I/O Expander I2C SPDIP 28, MCP23S18-E/SP
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RS Stock No.: 598-405Brand: MicrochipManufacturers Part No.: MCP23S18-E/SP

P.O.A.

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210

Available in multiples of 210
210P.O.A.
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Microchip
I/O Expander
16
-
-
SPDIP
10MHz
I2C
-
5.5V
1.8V
-40°C
28
125°C
17.9mm
MCP
2.65mm
10.3 mm
No
AEC-Q100
Microchip 16-Channel I/O Expander I2C SSOP 24, MCP23018T-E/SS
Microchip 16-Channel I/O Expander I2C SSOP 24, MCP23018T-E/SS
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RS Stock No.: 598-422Brand: MicrochipManufacturers Part No.: MCP23018T-E/SS

P.O.A.

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2100

Available in multiples of 2100
2100P.O.A.
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Microchip
I/O Expander
16
-
-
SSOP
10MHz
I2C
-
5.5V
1.8V
-40°C
24
125°C
8.2mm
MCP
2mm
7.8 mm
No
AEC-Q100
Microchip 16-Channel I/O Expander SOIC 16, MCP23016T-I/SO
Microchip 16-Channel I/O Expander SOIC 16, MCP23016T-I/SO
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RS Stock No.: 598-190Brand: MicrochipManufacturers Part No.: MCP23016T-I/SO

P.O.A.

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1600

Available in multiples of 1600
1600P.O.A.
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Microchip
I/O Expander
16
-
-
SOIC
-
-
-
5.5V
2V
-55°C
16
125°C
17.9mm
MCP
2.65mm
10.3 mm
No
No
Microchip 8-Channel I/O Expander I2C QFN 18, MCP23009T-E/MG
Microchip 8-Channel I/O Expander I2C QFN 18, MCP23009T-E/MG
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RS Stock No.: 598-640Brand: MicrochipManufacturers Part No.: MCP23009T-E/MG

P.O.A.

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3300

Available in multiples of 3300
3300P.O.A.
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Microchip
I/O Expander
8
-
-
QFN
10MHz
I2C
-
5.5V
1.8V
-40°C
18
125°C
11.55mm
MCP
2.65mm
10.3 mm
No
AEC-Q100
Microchip 8-Channel I/O Expander I2C QFN 18, MCP23S09T-E/MG
Microchip 8-Channel I/O Expander I2C QFN 18, MCP23S09T-E/MG
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RS Stock No.: 599-030Brand: MicrochipManufacturers Part No.: MCP23S09T-E/MG

P.O.A.

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3300

Available in multiples of 3300
3300P.O.A.
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Microchip
I/O Expander
8
-
-
QFN
10MHz
I2C
-
5.5V
1.8V
-40°C
18
125°C
11.55mm
MCP
2.65mm
10.3 mm
No
AEC-Q100
Microchip 8-Channel I/O Expander I2C SOIC 18, MCP23009-E/SO
Microchip 8-Channel I/O Expander I2C SOIC 18, MCP23009-E/SO
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RS Stock No.: 598-754Brand: MicrochipManufacturers Part No.: MCP23009-E/SO

P.O.A.

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336

Available in multiples of 336
336P.O.A.
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Microchip
I/O Expander
8
-
-
SOIC
10MHz
I2C
-
5.5V
1.8V
-40°C
18
125°C
11.55mm
MCP
2.65mm
10.3 mm
No
AEC-Q100
Microchip I/O Expander SPI QFN 18, MCP23S08T-E/ML
Microchip I/O Expander SPI QFN 18, MCP23S08T-E/ML
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RS Stock No.: 333-258Brand: MicrochipManufacturers Part No.: MCP23S08T-E/ML

P.O.A.

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3300

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3300P.O.A.
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Microchip
I/O Expander
-
-
-
QFN
-
SPI
-
-
-
-
18
-
-
-
-
-
No
No
Microchip I/O Expander SPI QFN 18, MCP23S18T-E/MJ
Microchip I/O Expander SPI QFN 18, MCP23S18T-E/MJ
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RS Stock No.: 333-051Brand: MicrochipManufacturers Part No.: MCP23S18T-E/MJ

P.O.A.

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3300

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3300P.O.A.
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Microchip
I/O Expander
-
-
-
QFN
-
SPI
-
-
-
-
18
-
-
-
-
-
No
No
Microchip I/O Expander SPI SSOP 28, MCP23S17T-E/SS
Microchip I/O Expander SPI SSOP 28, MCP23S17T-E/SS
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RS Stock No.: 333-113Brand: MicrochipManufacturers Part No.: MCP23S17T-E/SS

P.O.A.

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2100

Available in multiples of 2100
2100P.O.A.
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Microchip
I/O Expander
-
-
-
SSOP
-
SPI
-
-
-
-
28
-
-
-
-
-
No
No
Microchip I/O Expander Serial-SPI QFN 18, MCP23008T-E/ML
Microchip I/O Expander Serial-SPI QFN 18, MCP23008T-E/ML
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RS Stock No.: 332-942Brand: MicrochipManufacturers Part No.: MCP23008T-E/ML

P.O.A.

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3300

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3300P.O.A.
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Microchip
I/O Expander
-
-
-
QFN
-
Serial-SPI
-
-
-
-
18
-
-
-
-
-
No
No
NXP 8-Channel I/O Expander SO 16
NXP 8-Channel I/O Expander SO 16
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RS Stock No.: 219-4647Brand: NXPManufacturers Part No.: PCF8574T/3,518

P.O.A.

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1000

Available in multiples of 1000
1000P.O.A.
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NXP
I/O Expander
8
-
-
SO
100kHz
-
Surface
5.5V
2.3V
-40°C
16
85°C
10.5mm
PCF8574
2.65mm
7.6 mm
No
No
NXP 8-Channel I/O Expander SO 16
NXP 8-Channel I/O Expander SO 16
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RS Stock No.: 219-4644Brand: NXPManufacturers Part No.: PCF8574AT/3,518

P.O.A.

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1000

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1000P.O.A.
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NXP
I/O Expander
8
-
-
SO
100kHz
-
Surface
6V
2.5V
-40°C
16
85°C
10.5mm
PCF8574
2.65mm
7.6 mm
No
No
NXP 8-Channel I/O Expander TSSOP 16
NXP 8-Channel I/O Expander TSSOP 16
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RS Stock No.: 219-4619Brand: NXPManufacturers Part No.: PCA9534PW,118

P.O.A.

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2500

Available in multiples of 2500
2500P.O.A.
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NXP
I/O Expander
8
-
-
TSSOP
400kHz
-
Surface
5.5V
2.3V
-40°C
16
85°C
5.1mm
PCA9534
1.1mm
4.5 mm
No
No
NXP 8-Channel Remote 8 Bit I/O Expander SOIC 16
NXP 8-Channel Remote 8 Bit I/O Expander SOIC 16
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RS Stock No.: 124-2364Brand: NXPManufacturers Part No.: PCF8574T/3,512

P.O.A.

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1

Available in multiples of 48
1P.O.A.
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NXP
Remote 8 Bit I/O Expander
8
-
-
SOIC
100kHz
-
Surface
5.5V
2.3V
-40°C
16
85°C
10.5mm
PCF8574
2.65mm
-
JESD22-A114, JESD22-C101, JESD78
No
Microchip 8-Channel I/O Expander SSOP 20
Microchip 8-Channel I/O Expander SSOP 20
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RS Stock No.: 165-2044Brand: MicrochipManufacturers Part No.: MCP23008-E/SS

P.O.A.

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1

Available in multiples of 67
1P.O.A.
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Microchip
I/O Expander
8
-
-
SSOP
1.7MHz
-
Surface
5.5V
1.8V
-40°C
20
125°C
7.5mm
MCP23008
1.85mm
5.6 mm
No
No
Microchip 8-Channel I/O Expander SPI SOIC 18
Microchip 8-Channel I/O Expander SPI SOIC 18
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Also available in industry standard packaging
RS Stock No.: 687-8480Brand: MicrochipManufacturers Part No.: MCP23S09-E/SO

P.O.A.

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1

Available in multiples of 1
1P.O.A.
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Microchip
I/O Expander
8
-
-
SOIC
10MHz
SPI
Surface
5.5V
1.8V
-40°C
18
125°C
11.55mm
MCP23S09
2.65mm
7.5 mm
No
No
NXP 2-Channel I/O Expander SO 8
NXP 2-Channel I/O Expander SO 8
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RS Stock No.: 219-4614Brand: NXPManufacturers Part No.: PCA9306D,118

P.O.A.

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2500

Available in multiples of 2500
2500P.O.A.
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NXP
I/O Expander
2
-
-
SO
400kHz
-
Surface
5V
0.6V
-40°C
8
105°C
5mm
PCA9306
1.75mm
4 mm
No
No

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