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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제품설명 단가 Number of I/O Channels Interface Number of Pins Package Type Clock Frequency Mounting Type Maximum Supply Voltage Minimum Supply Voltage
RS 제품 번호 823-4226
제조사 부품 번호PCA9535ECDWR2G
제조사ON Semiconductor
₩2,188.60
Each (In a Pack of 10)
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16 I2C 24 SOIC 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 823-4236
제조사 부품 번호PCA9535EMTTXG
제조사ON Semiconductor
₩1,895.65
Each (In a Pack of 10)
수량
16 I2C 24 QFN 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 121-7978
제조사 부품 번호PCA9535ECDTR2G
제조사ON Semiconductor
₩1,303.55
Each (On a Reel of 2500)
수량
16 I2C 24 TSSOP 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 124-5422
제조사 부품 번호PCA9535ECMTTXG
제조사ON Semiconductor
₩1,204.35
Each (On a Reel of 3000)
수량
16 I2C 24 QFN 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 163-0307
제조사 부품 번호PCA9535ECDWR2G
제조사ON Semiconductor
₩1,367.10
Each (On a Reel of 1000)
수량
16 I2C 24 SOIC 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 163-0308
제조사 부품 번호PCA9535EDWR2G
제조사ON Semiconductor
₩1,562.40
Each (On a Reel of 1000)
수량
16 I2C 24 SOIC 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 124-9971
제조사 부품 번호CAT9554YI-GT2
제조사ON Semiconductor
₩830.80
Each (On a Reel of 2000)
수량
8 I2C, SMBus 16 TSSOP 400kHz Surface Mount 5.5 V 2.3 V
RS 제품 번호 823-4232
제조사 부품 번호PCA9535EDWR2G
제조사ON Semiconductor
₩1,796.45
Each (In a Pack of 10)
수량
16 I2C 24 SOIC 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 789-3975
제조사 부품 번호CAT9554YI-GT2
제조사ON Semiconductor
₩1,582.55
Each (On a Tape of 5)
수량
8 I2C, SMBus 16 TSSOP 400kHz Surface Mount 5.5 V 2.3 V
RS 제품 번호 862-9249
제조사 부품 번호FXL6408UMX
제조사ON Semiconductor
₩1,044.70
Each (In a Pack of 10)
수량
8 I2C 16 UMLP 400kHz Surface Mount 3.6 V 1.65 V
RS 제품 번호 823-4223
제조사 부품 번호PCA9535ECDTR2G
제조사ON Semiconductor
₩2,049.10
Each (In a Pack of 10)
수량
16 I2C 24 TSSOP 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 124-1424
제조사 부품 번호FXL6408UMX
제조사ON Semiconductor
₩497.55
Each (On a Reel of 5000)
수량
8 I2C 16 UMLP 400kHz Surface Mount 3.6 V 1.65 V
RS 제품 번호 121-7979
제조사 부품 번호PCA9535EMTTXG
제조사ON Semiconductor
₩1,303.55
Each (On a Reel of 3000)
수량
16 I2C 24 QFN 1MHz Surface Mount 5.5 V 1.65 V
RS 제품 번호 823-4220
제조사 부품 번호PCA9535ECMTTXG
제조사ON Semiconductor
₩1,520.55
Each (In a Pack of 10)
수량
16 I2C 24 QFN 1MHz Surface Mount 5.5 V 1.65 V