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 I/O Expander SPI QFN 18, MCP23S08T-E/ML
RS Stock No.333-258BrandMicrochipManufacturers Part No.MCP23S08T-E/ML

BD 2,707.254

BD 0.821 Each (On a Reel of 3300) (Exc. Vat)

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Microchip
I/O Expander
-
-
-
QFN
-
SPI
-
-
-
-
18
-
-
-
-
No
-
No
Microchip I/O Expander SPI QFN 18, MCP23S18T-E/MJ
RS Stock No.333-051BrandMicrochipManufacturers Part No.MCP23S18T-E/MJ

BD 2,912.349

BD 0.882 Each (On a Reel of 3300) (Exc. Vat)

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Microchip
I/O Expander
-
-
-
QFN
-
SPI
-
-
-
-
18
-
-
-
-
No
-
No
Microchip I/O Expander SPI SSOP 28, MCP23S17T-E/SS
RS Stock No.333-113BrandMicrochipManufacturers Part No.MCP23S17T-E/SS

BD 1,553.129

BD 0.739 Each (On a Reel of 2100) (Exc. Vat)

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Microchip
I/O Expander
-
-
-
SSOP
-
SPI
-
-
-
-
28
-
-
-
-
No
-
No
Microchip I/O Expander Serial-SPI QFN 18, MCP23008T-E/ML
RS Stock No.332-942BrandMicrochipManufacturers Part No.MCP23008T-E/ML

BD 1,989.421

BD 0.603 Each (On a Reel of 3300) (Exc. Vat)

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Microchip
I/O Expander
-
-
-
QFN
-
Serial-SPI
-
-
-
-
18
-
-
-
-
No
-
No
NXP 8-Channel I/O Expander SO 16
RS Stock No.219-4647BrandNXPManufacturers Part No.PCF8574T/3,518

BD 609.070

BD 0.609 Each (On a Reel of 1000) (Exc. Vat)

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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
No
7.6 mm
No
NXP 8-Channel I/O Expander SO 16
RS Stock No.219-4644BrandNXPManufacturers Part No.PCF8574AT/3,518

BD 522.060

BD 0.522 Each (On a Reel of 1000) (Exc. Vat)

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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
No
7.6 mm
No
NXP 8-Channel I/O Expander TSSOP 16
RS Stock No.219-4619BrandNXPManufacturers Part No.PCA9534PW,118

BD 1,786.813

BD 0.715 Each (On a Reel of 2500) (Exc. Vat)

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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
No
4.5 mm
No
NXP 8-Channel Remote 8 Bit I/O Expander SOIC 16
RS Stock No.124-2364BrandNXPManufacturers Part No.PCF8574T/3,512

BD 31.622

BD 0.659 Each (In a Tube of 48) (Exc. Vat)

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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
RS Stock No.165-2044BrandMicrochipManufacturers Part No.MCP23008-E/SS

BD 40.808

BD 0.609 Each (In a Tube of 67) (Exc. Vat)

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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
No
5.6 mm
No
Microchip 8-Channel I/O Expander SPI SOIC 18
Also available in industry standard packaging
RS Stock No.687-8480BrandMicrochipManufacturers Part No.MCP23S09-E/SO

BD 0.851

BD 0.851 Each (Exc. Vat)

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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
No
7.5 mm
No
NXP 2-Channel I/O Expander SO 8
RS Stock No.219-4614BrandNXPManufacturers Part No.PCA9306D,118

BD 652.575

BD 0.261 Each (On a Reel of 2500) (Exc. Vat)

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NXP
I/O Expander
2
-
-
SO
400kHz
-
Surface
5V
0.6V
-40°C
8
105°C
5mm
PCA9306
1.75mm
No
4 mm
No
Microchip 16-Channel I/O Expander Serial-SPI SSOP 28
RS Stock No.887-7319BrandMicrochipManufacturers Part No.MCP23S17-E/SS

BD 59.882

BD 1.274 Each (In a Tube of 47) (Exc. Vat)

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Microchip
I/O Expander
16
-
-
SSOP
5MHz
Serial-SPI
Surface
5.5V
1.8V
-40°C
28
125°C
10.5mm
MCP23S17
2mm
No
5.6 mm
No
NXP 16-Channel I/O Expander TSSOP 24
RS Stock No.219-4623BrandNXPManufacturers Part No.PCA9555PW,118

BD 2,082.025

BD 0.833 Each (On a Reel of 2500) (Exc. Vat)

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NXP
I/O Expander
16
-
-
TSSOP
400kHz
-
Surface
5.5V
2.3V
-40°C
24
85°C
7.9mm
PCA9555
1.1mm
No
4.5 mm
No
NXP 8-Channel I/O Expander TSSOP 24
RS Stock No.219-4621BrandNXPManufacturers Part No.PCA9548APW,118

BD 1,538.213

BD 0.615 Each (On a Reel of 2500) (Exc. Vat)

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NXP
I/O Expander
8
-
-
TSSOP
400kHz
-
Surface
5.5V
2.3V
-40°C
24
85°C
7.9mm
PCA9548
1.1mm
No
4.5 mm
No
NXP 2-Channel I/O Expander SO 8
RS Stock No.219-4616BrandNXPManufacturers Part No.PCA9517AD,118

BD 1,413.913

BD 0.565 Each (On a Reel of 2500) (Exc. Vat)

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NXP
I/O Expander
2
-
-
SO
400kHz
-
Surface
5.5V
0.9V
-40°C
8
85°C
5mm
PCA9517
1.75mm
No
4 mm
No
Texas Instruments 8-Channel I/O Expander PDIP 16
RS Stock No.920-3374BrandTexas InstrumentsManufacturers Part No.PCF8574AN

BD 38.533

BD 1.541 Each (In a Tube of 25) (Exc. Vat)

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Texas Instruments
I/O Expander
8
-
-
PDIP
100kHz
-
Through Hole
6V
2.5V
-40°C
16
85°C
19.69mm
PCF8574
5.08mm
No
6.6 mm
No
Microchip 8-Channel I/O Expander SSOP 20
RS Stock No.209-7660BrandMicrochipManufacturers Part No.MCP23008T-E/SS

BD 974.512

BD 0.609 Each (On a Reel of 1600) (Exc. Vat)

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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
No
5.6 mm
No
Microchip 8-Channel I/O Expander Serial-SPI QFN 16, MCP23S09-E/MG
Also available in industry standard packaging
RS Stock No.770-9732BrandMicrochipManufacturers Part No.MCP23S09-E/MG

BD 3.605

BD 0.721 Each (In a Pack of 5) (Exc. Vat)

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Microchip
I/O Expander
8
-
-
QFN
10MHz
Serial-SPI
Surface
5.5V
1.8V
-40°C
16
125°C
3mm
MCP23S09
0.9mm
No
3 mm
No
Microchip 8-Channel I/O Expander PDIP 18
RS Stock No.165-4752BrandMicrochipManufacturers Part No.MCP23008-E/P

BD 19.578

BD 0.783 Each (In a Tube of 25) (Exc. Vat)

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Microchip
I/O Expander
8
-
-
PDIP
5MHz
-
Through Hole
5.5V
1.8V
-40°C
18
125°C
23.3mm
MCP23008
5.33mm
No
8.2 mm
No
Microchip 8-Channel I/O Expander SOIC 18
RS Stock No.889-5323BrandMicrochipManufacturers Part No.MCP23008-E/SO

BD 24.798

BD 0.591 Each (In a Tube of 42) (Exc. Vat)

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Microchip
I/O Expander
8
-
-
SOIC
5MHz
-
Surface
5.5V
1.8V
-40°C
18
125°C
11.55mm
MCP23008
2.65mm
No
7.5 mm
No

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