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I/O Expanders

Input or output expanders are a type of computer hardware that establishes connections that can connect more than one device by using a single port of the computer system.

How Do I/O Expanders Function?

This expander establishes a connection with a single port and outputs multiple connections for other devices. Such expanders are very crucial in taking advantage of simultaneously establishing connections among devices by using that port. This connection is typically accomplished by using USB and Ethernet ports. 

Popular Types of I/O Expanders

The two main types of input or output expanders are as follows:

  • Internal: The only component of these that the user can see is the expansion plate, which has the ports to which they can attach more devices. These are connected to the computer, often on the motherboard.
  • External: When an external expander is plugged into an existing port, numerous more connections are made possible. These gadgets are referred to as splitters when they are not a part of a computer system.

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Manufacturer Part No
Name
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Maxim Integrated
Rohs Verified
MAX7317ATE+, Maxim Integrated
748 In Stock
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5 +
£ 1.71
Rohs Verified
MCP23S08T-E/SO, Microchip
1098 In Stock
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1100 +
£ 0.91
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MCP23S17T-E/SO, Microchip
3198 In Stock
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1600 +
£ 0.91
Microchip
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MTCH652-I/SS, Microchip
Pre Order
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5 +
£ 0.34
Rohs Verified
PCF8574AT/3,518, NXP
6998 In Stock
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1000 +
£ 0.69
Rohs Verified
MCP23S17T-E/ML, Microchip
Pre Order
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1600 +
£ 1.09
Rohs Verified
PCA9518PW,112, NXP
Pre Order
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75 +
£ 0.71
Texas Instruments
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TCA9535PWR, Texas Instruments
12680 In Stock
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2000 +
£ 0.42
Rohs Verified
PCF8574T/3,512, NXP
33 In Stock
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5 +
£ 1.45
Maxim Integrated
Rohs Verified
MAX7312AAG+, Maxim Integrated
320 In Stock
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2 +
£ 4.52
10 +
£ 4.08
26 +
£ 3.83
Microchip
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MCP23016-I/SP, Microchip
110 In Stock
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2 +
£ 1.59
20 +
£ 1.53
Rohs Verified
PCA9555D,118, NXP
998 In Stock
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1000 +
£ 0.87
Rohs Verified
MCP23017T-E/ML, Microchip
6398 In Stock
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1600 +
£ 0.77
Texas Instruments
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TCA9535RTWR, Texas Instruments
8937 In Stock
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3000 +
£ 0.37
Microchip
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MCP23008-E/P, Microchip
38 In Stock
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5 +
£ 1.09
25 +
£ 1.06
100 +
£ 1.02
Texas Instruments
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PCF8574DW, Texas Instruments
28 In Stock
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5 +
£ 1.33
25 +
£ 1.27
50 +
£ 1.23
Microchip
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MCP23016-I/SO, Microchip
241 In Stock
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27 +
£ 1.26
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PCA9554PW,112, NXP
Pre Order
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96 +
£ 1.16
480 +
£ 0.99
1920 +
£ 0.87
Microchip
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MCP23017-E/ML, Microchip
59 In Stock
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61 +
£ 0.84
Microchip
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MCP23017-E/SS, Microchip
45 In Stock
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47 +
£ 0.99
141 +
£ 0.89
Microchip
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MCP23S09-E/SO, Microchip
1059 In Stock
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1 +
£ 1.06
Microchip
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MCP23S08-E/SO, Microchip
544 In Stock
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42 +
£ 0.91
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PCA9535EMTTXG, onsemi
19 In Stock
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3000 +
£ 0.74
Texas Instruments
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PCF8575CDW, Texas Instruments
3 In Stock
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5 +
£ 2.84
25 +
£ 2.72
50 +
£ 2.65
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PCA9535PW,112, NXP
63 In Stock
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5 +
£ 2.28
30 +
£ 2.02
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New Items
New items
TCA9534PWR, Texas Instruments

TCA9534PWR, Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
New items
PCA9535PWR, Texas Instruments

PCA9535PWR, Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
New items
PCAL6524HEHP, NXP USA Inc.

PCAL6524HEHP, NXP USA Inc.

IC I/O EXPANDER 24BIT 32HUQFN
New items
PCA9554DGVR, Texas Instruments

PCA9554DGVR, Texas Instruments

IC I/O EXPANDER I2C 8B 16TVSOP
New items
MCP23S17-E/ML, Microchip Technology
New items
ADP5587ACBZ-R7, Analog Devices Inc.
New items
DS2408S+, Analog Devices Inc./Maxim Integrated
New items
PCA9674PW,118, NXP USA Inc.

PCA9674PW,118, NXP USA Inc.

IC I/O EXPANDER I2C 8B 16TSSOP
New items
TCA9538DBR, Texas Instruments

TCA9538DBR, Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
FAQs
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This depends on the I/O Expanders individual product and information that can be found on our website.
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UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including I/O Expanders.
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