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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 with USBs and ethernet ports.

Types of I/O expanders

There are two main types of I/O expanders: internal and external.

Internal expanders

These have a connection inside the computer, typically on the motherboard, and the only part the user can see is the expansion plate which houses the ports to which they can connect more devices.

External expanders

An external expander plugs into an existing port introducing multiple new places to connect. When not part of a computer system, these devices are commonly known as splitters.

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(Price shown excludes VAT) 		Part Details Brand Stock Number of I/O Channels Interface Number of Pins Package Type Clock Frequency Mounting Type Maximum Supply Voltage Minimum Supply Voltage
Texas Instruments PCF8574N, 8-Channel I/O Expander 100kHz, I2C, 16-Pin PDIP
Texas Instruments PCF8574N, 8-Channel I/O Expander 100kHz, I2C, 16-Pin PDIP
  • ₹ 98.56
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 Texas Instruments Please note that the Stock level on this page is periodically updated during the day.

To get the current Stock level, please click on the Product Number that you are interested in. 		780 Please note that the Stock level on this page is periodically updated during the day.

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To get the current Stock level, please click on the Product Number that you are interested in. 		PDIP Please note that the Stock level on this page is periodically updated during the day.

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Maxim Integrated MAX7311ATG+, 16-Channel I/O Expander 400kHz, Serial-I2C (2-Wire), 24-Pin TQFN
Maxim Integrated MAX7311ATG+, 16-Channel I/O Expander 400kHz, Serial-I2C (2-Wire), 24-Pin TQFN
  • ₹ 381.52
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

To get the current Stock level, please click on the Product Number that you are interested in. 		540 Please note that the Stock level on this page is periodically updated during the day.

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Maxim Integrated MAX7300ATL+, 28-Channel I/O Expander 400kHz, Serial-I2C (2-Wire), 40-Pin TQFN
Maxim Integrated MAX7300ATL+, 28-Channel I/O Expander 400kHz, Serial-I2C (2-Wire), 40-Pin TQFN
  • ₹ 602.76
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Maxim Integrated MAX7321ATE+, 8-Channel I/O Expander 400kHz, Serial-I2C (2-Wire), 16-Pin TQFN
Maxim Integrated MAX7321ATE+, 8-Channel I/O Expander 400kHz, Serial-I2C (2-Wire), 16-Pin TQFN
  • ₹ 145.85
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

To get the current Stock level, please click on the Product Number that you are interested in. 		295 Please note that the Stock level on this page is periodically updated during the day.

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To get the current Stock level, please click on the Product Number that you are interested in. 		Serial-I2C (2-Wire) Please note that the Stock level on this page is periodically updated during the day.

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Cypress Semiconductor CY8C9560A-24AXI, 60-Channel I/O Expander 100kHz, I2C, 100-Pin TQFP
Cypress Semiconductor CY8C9560A-24AXI, 60-Channel I/O Expander 100kHz, I2C, 100-Pin TQFP
  • ₹ 557.54
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 Cypress Semiconductor Please note that the Stock level on this page is periodically updated during the day.

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2-Wire-Interface 8Bit I/O Port Exp Reset
2-Wire-Interface 8Bit I/O Port Exp Reset
  • ₹ 270.87
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 16Bit I/O Port Expander Protection
2Wire 16Bit I/O Port Expander Protection
  • ₹ 392.99
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 16Bit I/O Port Expander Protection
2Wire 16Bit I/O Port Expander Protection
  • ₹ 450.03
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 16Bit I/O Port Expander Protection
2Wire 16Bit I/O Port Expander Protection
  • ₹ 449.89
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 16Bit I/O Port Expander Protection
2Wire 16Bit I/O Port Expander Protection
  • ₹ 335.84
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 16Bit I/O Port Expander Protection
2Wire 16Bit I/O Port Expander Protection
  • ₹ 297.14
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 2.5-5.5V 20Port 28Port IO Expander
2Wire 2.5-5.5V 20Port 28Port IO Expander
  • ₹ 421.23
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 2.5-5.5V 20Port 28Port IO Expander
2Wire 2.5-5.5V 20Port 28Port IO Expander
  • ₹ 683.95
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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2Wire 2.5-5.5V 20Port 28Port IO Expander
2Wire 2.5-5.5V 20Port 28Port IO Expander
  • ₹ 666.58
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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4Wire 2.5-5.5V 20Port 28Port IO Expander
4Wire 2.5-5.5V 20Port 28Port IO Expander
  • ₹ 544.54
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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9-Bit I2C I/O Expander Plus Memory
9-Bit I2C I/O Expander Plus Memory
  • ₹ 202.96
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Cypress Semiconductor CY8C9560A-24AXI, 60-Channel I/O Expander 100kHz, I2C, 100-Pin TQFP
Cypress Semiconductor CY8C9560A-24AXI, 60-Channel I/O Expander 100kHz, I2C, 100-Pin TQFP
  • ₹ 557.54
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 Cypress Semiconductor Please note that the Stock level on this page is periodically updated during the day.

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I2C Port Expander 8 Open-Drain I/Os
I2C Port Expander 8 Open-Drain I/Os
  • ₹ 168.65
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Maxim Integrated MAX7301ATL+T, 28-Channel I/O Expander, Serial 4-Wire, Serial-I2C (2-Wire), 40-Pin TQFN
Maxim Integrated MAX7301ATL+T, 28-Channel I/O Expander, Serial 4-Wire, Serial-I2C (2-Wire), 40-Pin TQFN
  • ₹ 475.32
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 Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Texas Instruments PCF8574N, 8-Channel I/O Expander 100kHz, I2C, 16-Pin PDIP
Texas Instruments PCF8574N, 8-Channel I/O Expander 100kHz, I2C, 16-Pin PDIP
  • ₹ 116.09
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 Texas Instruments Please note that the Stock level on this page is periodically updated during the day.

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