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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Λεπτομέρειες προϊόντος 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
  • € 1,64
  • Μονάδας (Σε μία ράγα των 25)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 197-7468
  • Εμπορικό σήμα Texas Instruments
  • Κωδικός Κατασκευαστή PCF8574N
Texas Instruments Please note that the Stock level on this page is periodically updated during the day.

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895 Please note that the Stock level on this page is periodically updated during the day.

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8 Please note that the Stock level on this page is periodically updated during the day.

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I2C Please note that the Stock level on this page is periodically updated during the day.

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16 Please note that the Stock level on this page is periodically updated during the day.

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PDIP Please note that the Stock level on this page is periodically updated during the day.

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100kHz 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
  • € 5,63
  • Μονάδας (Σε μία ράγα των 75)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6111
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7311ATG+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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600 Please note that the Stock level on this page is periodically updated during the day.

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16 Please note that the Stock level on this page is periodically updated during the day.

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Serial-I2C (2-Wire) Please note that the Stock level on this page is periodically updated during the day.

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24 Please note that the Stock level on this page is periodically updated during the day.

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TQFN Please note that the Stock level on this page is periodically updated during the day.

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400kHz Please note that the Stock level on this page is periodically updated during the day.

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Surface Mount Please note that the Stock level on this page is periodically updated during the day.

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5.5 V Please note that the Stock level on this page is periodically updated during the day.

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2 V 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
  • € 9,28
  • Μονάδας (Σε μία ράγα των 50)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6107
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7300ATL+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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400 Please note that the Stock level on this page is periodically updated during the day.

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28 Please note that the Stock level on this page is periodically updated during the day.

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Serial-I2C (2-Wire) Please note that the Stock level on this page is periodically updated during the day.

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40 Please note that the Stock level on this page is periodically updated during the day.

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TQFN Please note that the Stock level on this page is periodically updated during the day.

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400kHz Please note that the Stock level on this page is periodically updated during the day.

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Surface Mount Please note that the Stock level on this page is periodically updated during the day.

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5.5 V Please note that the Stock level on this page is periodically updated during the day.

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2.5 V 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
  • € 2,25
  • Μονάδας (Σε μία ράγα των 100)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6115
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7321ATE+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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295 Please note that the Stock level on this page is periodically updated during the day.

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8 Please note that the Stock level on this page is periodically updated during the day.

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Serial-I2C (2-Wire) Please note that the Stock level on this page is periodically updated during the day.

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16 Please note that the Stock level on this page is periodically updated during the day.

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TQFN Please note that the Stock level on this page is periodically updated during the day.

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400kHz Please note that the Stock level on this page is periodically updated during the day.

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Surface Mount Please note that the Stock level on this page is periodically updated during the day.

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5.5 V Please note that the Stock level on this page is periodically updated during the day.

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1.71 V 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
  • € 7,56
  • Μονάδας (διαθέσιμο σε ένα δίσκο)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 193-8488
  • Εμπορικό σήμα Cypress Semiconductor
  • Κωδικός Κατασκευαστή CY8C9560A-24AXI
Cypress Semiconductor Please note that the Stock level on this page is periodically updated during the day.

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180 Please note that the Stock level on this page is periodically updated during the day.

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60 Please note that the Stock level on this page is periodically updated during the day.

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I2C Please note that the Stock level on this page is periodically updated during the day.

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100 Please note that the Stock level on this page is periodically updated during the day.

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TQFP Please note that the Stock level on this page is periodically updated during the day.

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100kHz Please note that the Stock level on this page is periodically updated during the day.

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Surface Mount Please note that the Stock level on this page is periodically updated during the day.

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5.25 V Please note that the Stock level on this page is periodically updated during the day.

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3 V 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
  • € 4,48
  • Μονάδας (Σε ένα πακέτο των 5)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6927
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7310AUE+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 16Bit I/O Port Expander Protection
  • € 6,10
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6955
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7311AAG+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 16Bit I/O Port Expander Protection
  • € 6,37
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6980
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7311ATG+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 16Bit I/O Port Expander Protection
  • € 6,46
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7001
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7311AUG+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 16Bit I/O Port Expander Protection
  • € 5,66
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7018
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7312AUG+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 16Bit I/O Port Expander Protection
  • € 4,92
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7039
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7318AUG+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 2.5-5.5V 20Port 28Port IO Expander
  • € 6,54
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7042
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7300AAI+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 2.5-5.5V 20Port 28Port IO Expander
  • € 10,58
  • Μονάδας
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7066
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7300AAX+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
2Wire 2.5-5.5V 20Port 28Port IO Expander
  • € 11,09
  • Μονάδας
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7090
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7300ATL+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
4Wire 2.5-5.5V 20Port 28Port IO Expander
  • € 7,56
  • Μονάδας (Σε ένα πακέτο των 2)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6900
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7301ATL+T
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
9-Bit I2C I/O Expander Plus Memory
  • € 3,35
  • Μονάδας (Σε ένα πακέτο των 5)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7024
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή DS4520E+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
Cypress Semiconductor CY8C9560A-24AXI, 60-Channel I/O Expander 100kHz, I2C, 100-Pin TQFP
  • € 9,65
  • Μονάδας
  • Σύγκριση
  • Κωδικός Προϊόντος RS 193-8490
  • Εμπορικό σήμα Cypress Semiconductor
  • Κωδικός Κατασκευαστή CY8C9560A-24AXI
Cypress Semiconductor Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος 60 Please note that the Stock level on this page is periodically updated during the day.

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I2C Please note that the Stock level on this page is periodically updated during the day.

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100 Please note that the Stock level on this page is periodically updated during the day.

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TQFP Please note that the Stock level on this page is periodically updated during the day.

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100kHz Please note that the Stock level on this page is periodically updated during the day.

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Surface Mount Please note that the Stock level on this page is periodically updated during the day.

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5.25 V Please note that the Stock level on this page is periodically updated during the day.

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3 V 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
  • € 2,79
  • Μονάδας (Σε ένα πακέτο των 5)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-7057
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7321ATE+
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος - - - - - - - -
Maxim Integrated MAX7301ATL+T, 28-Channel I/O Expander, Serial 4-Wire, Serial-I2C (2-Wire), 40-Pin TQFN
  • € 6,68
  • Μονάδας (Σε ένα καρούλι των 2500)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 190-6108
  • Εμπορικό σήμα Maxim Integrated
  • Κωδικός Κατασκευαστή MAX7301ATL+T
Maxim Integrated Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος 28 Please note that the Stock level on this page is periodically updated during the day.

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Serial 4-Wire, Serial-I2C (2-Wire) Please note that the Stock level on this page is periodically updated during the day.

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40 Please note that the Stock level on this page is periodically updated during the day.

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TQFN Please note that the Stock level on this page is periodically updated during the day.

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- Surface Mount Please note that the Stock level on this page is periodically updated during the day.

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5.5 V Please note that the Stock level on this page is periodically updated during the day.

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2.5 V 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
  • € 1,93
  • Μονάδας (Σε ένα πακέτο των 5)
  • Σύγκριση
  • Κωδικός Προϊόντος RS 197-7469
  • Εμπορικό σήμα Texas Instruments
  • Κωδικός Κατασκευαστή PCF8574N
Texas Instruments Please note that the Stock level on this page is periodically updated during the day.

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Έλεγχος αποθέματος 8 Please note that the Stock level on this page is periodically updated during the day.

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I2C Please note that the Stock level on this page is periodically updated during the day.

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16 Please note that the Stock level on this page is periodically updated during the day.

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PDIP Please note that the Stock level on this page is periodically updated during the day.

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100kHz Please note that the Stock level on this page is periodically updated during the day.

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