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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รายละเอียดสินค้า / Description ราคา / Price Number of I/O Channels Interface Number of Pins Package Type Clock Frequency Mounting Type Maximum Supply Voltage Minimum Supply Voltage
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RS Stock No. 188-5382
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CY8C9520A-24PVXI
THB115.847
Each (In a Tube of 47)
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20 I2C 28 SSOP 24MHz Surface Mount 5.25 V 3 V
RS Stock No. 125-4198
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CY8C9540A-24PVXI
THB248.80
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40 I2C 48 SSOP 100kHz Surface Mount 5.25 V 3 V
RS Stock No. 125-4197
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CY8C9520A-24PVXI
THB141.625
Each: (In a Pack of 2)
Units
20 I2C 28 SSOP 100kHz Surface Mount 5.25 V 3 V
ใหม่ / New
RS Stock No. 188-5383
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CY8C9540A-24PVXI
THB214.256
Each (In a Tube of 30)
Units
40 I2C 48 SSOP 24MHz Surface Mount 5.25 V 3 V