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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Omschrijving Prijs Number of I/O Channels Interface Number of Pins Package Type Clock Frequency Mounting Type Maximum Supply Voltage Minimum Supply Voltage
RS-stocknr. 162-8708
FabrikantnummerTCA6416ARTWR
0,616 €
Each (On a Reel of 3000)
Aantal stuks
16 I2C, Serial 24 WQFN 400kHz Surface Mount 5.5 V 1.65 V
RS-stocknr. 190-0596
FabrikantnummerMAX7318ATG+
FabrikantMaxim Integrated
3,735 €
Each (In a Pack of 2)
Aantal stuks
16 Serial-2 Wire 24 QFN 400kHz Surface Mount 5.5 V 2 V
RS-stocknr. 124-2352
FabrikantnummerPCA9539PW,112
FabrikantNXP
1,057 €
Each (In a Tube of 63)
Aantal stuks
- - 24 TSSOP - Surface Mount - -
RS-stocknr. 510-914
FabrikantnummerPCA9536DP,118
FabrikantNXP
0,95 €
Each (In a Pack of 5)
Aantal stuks
4 - 8 TSSOP 400kHz Surface Mount 5.5 V 2.3 V
RS-stocknr. 799-3160
FabrikantnummerMAX7312AAG+
FabrikantMaxim Integrated
3,67 €
Each (In a Pack of 2)
Aantal stuks
16 Serial-2 Wire 24 SSOP 400kHz Surface Mount 5.5 V 2 V
RS-stocknr. 177-2846
FabrikantnummerMCP23017T-E/ML
FabrikantMicrochip
0,973 €
Each (On a Reel of 1600)
Aantal stuks
16 I2C 28 QFN 10MHz Surface Mount 5.5 V 1.8 V
RS-stocknr. 124-9971
FabrikantnummerCAT9554YI-GT2
FabrikantON Semiconductor
0,614 €
Each (On a Reel of 2000)
Aantal stuks
8 I2C, SMBus 16 TSSOP 400kHz Surface Mount 5.5 V 2.3 V
RS-stocknr. 511-068
FabrikantnummerPCA9698DGG,512
FabrikantNXP
4,59 €
Each
Aantal stuks
40 - 56 TSSOP 1MHz Surface Mount 5.5 V 2.3 V
RS-stocknr. 190-7024
FabrikantnummerDS4520E+
FabrikantMaxim Integrated
2,702 €
Each (In a Pack of 5)
Aantal stuks
- - - - - - - -
RS-stocknr. 190-0530
FabrikantnummerMAX7313ATG+
FabrikantMaxim Integrated
3,64 €
Each (In a Pack of 2)
Aantal stuks
16 Serial-I2C (2-Wire) 24 TQFN 400kHz Surface Mount 3.6 V 2 V
RS-stocknr. 125-4197
FabrikantnummerCY8C9520A-24PVXI
4,615 €
Each (In a Pack of 2)
Aantal stuks
20 I2C 28 SSOP 100kHz Surface Mount 5.25 V 3 V
RS-stocknr. 191-3995
FabrikantnummerMAX7315AUE+
FabrikantMaxim Integrated
2,058 €
Each (In a Tube of 96)
Aantal stuks
8 Serial-2 Wire 16 TSSOP 400kHz Surface Mount 3.6 V 2 V
RS-stocknr. 177-2847
FabrikantnummerMCP23017T-E/SO
FabrikantMicrochip
0,828 €
Each (On a Reel of 1600)
Aantal stuks
16 I2C 28 SOIC 10MHz Surface Mount 5.5 V 1.8 V
RS-stocknr. 815-0683
FabrikantnummerPCA9554DB,112
FabrikantNXP
0,923 €
Each (In a Pack of 6)
Aantal stuks
8 I2C, SMBus 16 SSOP 400kHz Surface Mount 5.5 V 2.3 V
RS-stocknr. 103-8074
FabrikantnummerPCA9518PW,112
FabrikantNXP
1,606 €
Each (In a Tube of 75)
Aantal stuks
- - - TSSOP - Surface Mount - -
RS-stocknr. 687-8773
FabrikantnummerMCP23017-E/ML
FabrikantMicrochip
1,26 €
Each
Aantal stuks
16 I2C 28 QFN 1.7MHz Surface Mount - -
RS-stocknr. 146-0195
FabrikantnummerMCP23018-E/SS
FabrikantMicrochip
1,241 €
Each (In a Tube of 59)
Aantal stuks
16 I2C 24 SSOP 3.4MHz Surface Mount 5.5 V 1.8 V
RS-stocknr. 177-3316
FabrikantnummerMCP23017T-E/SS
FabrikantMicrochip
1,141 €
Each (In a Pack of 10)
Aantal stuks
16 I2C 28 SSOP 10MHz Surface Mount 5.5 V 1.8 V
RS-stocknr. 923-7810
FabrikantnummerMAX7311AWG+
FabrikantMaxim Integrated
4,047 €
Each (In a Tube of 30)
Aantal stuks
16 Serial-2 Wire 24 SOIC 400kHz Surface Mount 5.5 V 2 V
RS-stocknr. 162-6382
FabrikantnummerPCF8574RGYR
0,535 €
Each (On a Reel of 3000)
Aantal stuks
8 I2C 20 VQFN 100kHz Surface Mount 6 V 2.5 V
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