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 2,832.489

BD 0.858 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 3,063.284

BD 0.928 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 1,615.568

BD 0.769 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 2,098.140

BD 0.636 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 635.800

BD 0.636 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
No
2.65mm
7.6 mm
PCF8574
No
NXP 8-Channel I/O Expander SO 16
RS Stock No.219-4644BrandNXPManufacturers Part No.PCF8574AT/3,518

BD 540.430

BD 0.540 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
No
2.65mm
7.6 mm
PCF8574
No
NXP 8-Channel I/O Expander TSSOP 16
RS Stock No.219-4619BrandNXPManufacturers Part No.PCA9534PW,118

BD 1,843.820

BD 0.737 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
No
1.1mm
4.5 mm
PCA9534
No
NXP 8-Channel Remote 8 Bit I/O Expander SOIC 16
RS Stock No.124-2364BrandNXPManufacturers Part No.PCF8574T/3,512

BD 32.655

BD 0.680 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
JESD22-A114, JESD22-C101, JESD78
2.65mm
-
PCF8574
No
Microchip 8-Channel I/O Expander SSOP 20
RS Stock No.165-2044BrandMicrochipManufacturers Part No.MCP23008-E/SS

BD 42.599

BD 0.636 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
No
1.85mm
5.6 mm
MCP23008
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 0.883

BD 0.883 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
No
2.65mm
7.5 mm
MCP23S09
No
NXP 2-Channel I/O Expander SO 8
RS Stock No.219-4614BrandNXPManufacturers Part No.PCA9306D,118

BD 683.485

BD 0.274 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
No
1.75mm
4 mm
PCA9306
No
Microchip 16-Channel I/O Expander Serial-SPI SSOP 28
RS Stock No.887-7319BrandMicrochipManufacturers Part No.MCP23S17-E/SS

BD 64.547

BD 1.373 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
No
2mm
5.6 mm
MCP23S17
No
NXP 16-Channel I/O Expander TSSOP 24
RS Stock No.219-4623BrandNXPManufacturers Part No.PCA9555PW,118

BD 2,161.720

BD 0.865 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
No
1.1mm
4.5 mm
PCA9555
No
NXP 8-Channel I/O Expander TSSOP 24
RS Stock No.219-4621BrandNXPManufacturers Part No.PCA9548APW,118

BD 1,605.395

BD 0.642 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
No
1.1mm
4.5 mm
PCA9548
No
NXP 2-Channel I/O Expander SO 8
RS Stock No.219-4616BrandNXPManufacturers Part No.PCA9517AD,118

BD 1,462.340

BD 0.585 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
No
1.75mm
4 mm
PCA9517
No
Texas Instruments 8-Channel I/O Expander PDIP 16
RS Stock No.920-3374BrandTexas InstrumentsManufacturers Part No.PCF8574AN

BD 45.936

BD 1.837 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
No
5.08mm
6.6 mm
PCF8574
No
Microchip 8-Channel I/O Expander SSOP 20
RS Stock No.209-7660BrandMicrochipManufacturers Part No.MCP23008T-E/SS

BD 1,017.280

BD 0.636 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
No
1.85mm
5.6 mm
MCP23008
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 3.783

BD 0.757 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
No
0.9mm
3 mm
MCP23S09
No
Microchip 8-Channel I/O Expander PDIP 18
RS Stock No.165-4752BrandMicrochipManufacturers Part No.MCP23008-E/P

BD 20.504

BD 0.821 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
No
5.33mm
8.2 mm
MCP23008
No
Microchip 8-Channel I/O Expander SOIC 18
RS Stock No.889-5323BrandMicrochipManufacturers Part No.MCP23008-E/SO

BD 26.169

BD 0.623 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
No
2.65mm
7.5 mm
MCP23008
No

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