About Interface - I/O Expanders

Interface - I/O Expanders

An interface I/O expander is a type of electronic circuit that is used to increase the number of input/output ports available in an embedded system. These expanders allow for more efficient use of the limited I/O ports available in most microcontrollers. By adding additional interface I/O ports, the need for extra I/O components such as additional LEDs, dials, switches, and relays can be eliminated. Additionally, by including an interface I/O expander, more complex embedded systems can be designed, using less overall components. The interface I/O expander itself will typically consist of multiple parallel ports, which can be used to communicate to and from the microcontroller, as well as multiple external devices. Common interface I/O expanders include serial-to-parallel converters, parallel-to-serial converters, shift registers, port expanders and more.

Interface - I/O Expanders

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(Ex. GST)(▲▼)		Enter Qty Number of I/OsInterface TypeMaximum Operating FrequencyInterrupt OutputOperating Supply VoltageMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingESD ProtectionQualification
  
                
PCA9554BS,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

NXP 23280
Ships to you
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USD 1.1281
Multiples of: 6000

  400 KHz  + 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PI4IOE5V9536UEX


Interface - I/O Expanders 4-bit I2C and SMBus low power I/O port
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated 17501
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USD 0.7015
Multiples of: 1

4 I/OI2c, Serial, Smbus Without Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtMSOP - 8Cut Tape  
PCA9555AHF,128


Interface - I/O Expanders Low-voltage 16-bit I2C-bus I/O port with interrupt and weak pull-up
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

NXP 17307
Ships to you
between Wed. 08 May to Fri. 10 May Calender.png

USD 1.1845
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Tube  
PCAL9555AHF,128


Interface - I/O Expanders Low-voltage 16-bit I2C-bus GPIO with Agile I/O, interrupt and weak pull-up
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

NXP 17266
Ships to you
between Wed. 08 May to Fri. 10 May Calender.png

USD 1.3206
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Tube  
PCA9534BS,118


Interface - I/O Expanders 8BIT I2C/SMBUS I/O
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NXP 17134
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between Wed. 08 May to Fri. 10 May Calender.png

USD 0.943
Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PI4IOE5V6534Q2ZLWEX


Interface - IO Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated 16617
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between Wed. 08 May to Fri. 10 May Calender.png

USD 2.0232
Multiples of: 1

         Reel  
PCA9535APW,118


NXP Semiconductors Interface - IO Expanders 16bit I2C IO Port
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

NXP 16267
Ships to you
between Wed. 08 May to Fri. 10 May Calender.png

USD 1.1213
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PI4IOE5V9539ZDEX


Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated 16179
Ships to you
between Wed. 08 May to Fri. 10 May Calender.png

USD 0.6948
Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTQFN - 24Cut Tape  
PCA9539AHF,128


NXP Semiconductors Interface - IO Expanders 16bit I2C IO Port
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

NXP 15480
Ships to you
between Wed. 08 May to Fri. 10 May Calender.png

USD 1.1845
Multiples of: 1

16 I/O 100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Reel  
PCA9670BS,118


NXP Semiconductors Interface - IO Expanders REMOTE 8-BIT GPIO
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

NXP 0
6 to 16 Weeks Calender.png

USD 1.2285
Multiples of: 1

8 I/OI2c, Serial1 MHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
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