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 Availability : 9016
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.7667

Multiples of: 1

  400 KHz  + 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCA9672BS,118


I2C GPIO Expander 5.5V 16-Pin HVQFN EP T/R
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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 Availability : 8784
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.1349

Multiples of: 1

8 I/OI2c, Serial With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/Smt Cut Tape  
MCP23018T-E/SO


Interface - I/O Expanders 16B I/O Expander I2C interface
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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.

Microchip Availability : 8780
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.6055

Multiples of: 1

        SOIC - 28Reel  
XL9555QF24


16 400kHz I2C, SMBus QFN-24 I/O Expanders ROHS
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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.

XINLUDA Availability : 8698
Ship by Thu. 12 Dec to Tue. 17 Dec Calender.png

USD 0.3478

Multiples of: 1

            
Hot PCA9557PW,118


Interface - I/O Expanders OCT SMBUS/I2C INTRFC
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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 Availability : 8522
Ship by Thu. 12 Dec to Tue. 17 Dec Calender.png

USD 0.5597

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9535HF,118


I2C Interface IC 16BIT 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 Availability : 8474
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.5386

Multiples of: 1

16 I/OI2C, Serial, SMBus With Interrupt2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTHWQFN - 24Cut Tape , Reel  
PCA9554D,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO INT PU
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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 Availability : 8466
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.7667

Multiples of: 1

            
PI4IOE5V6408ZTAEX


Interface - I/O Expanders 8-bit I2C-bus I/O Expander
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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 Availability : 8348
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.4117

Multiples of: 1

         Cut Tape  
MCP23S08T-E/ML


Microchip Technology Interface - IO Expanders 8bit InputOutput Exp SPI interface
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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.

Microchip Availability : 8107
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.463

Multiples of: 1

8 I/OSerial, Spi10 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 20Reel  
PCF8574TS/3,118


IC: interface; I/O expander; 2.5÷6VDC; I2C; SMD; SSOP20; Ch: 8
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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 Availability : 8076
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.858

Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSSOP - 20Reel  
PCA9534D,118


Interface - I/O Expanders I2C/SMBUS 8BIT LP
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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 Availability : 8044
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.8867

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSO - 16Reel  
PCA9554BS3,118


Interface - I/O Expanders 8bit I2Cbus-SMBus I/O port w/interrupt
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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 Availability : 8004
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.902

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
NLVPCA9535EDTR2G


Interface - I/O Expanders I/O Port Expander, I2C, 16-bit, Low-Power w/Interrupt
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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.

ON Semiconductor Availability : 7942
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.1927

Multiples of: 1

         Reel Aec - Q100
PCF8574PWG4


Interface - I/O Expanders Remote 8-Bit I/O Expander
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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.

Texas Instruments Availability : 7937
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.259

Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA9500PW,118


Interface - I/O Expanders 8BIT I2C FMQB GPIO PU2K EEPROM
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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 Availability : 7807
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.243

Multiples of: 1

8 I/O   2.5 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9555PW,112


Interface - I/O Expanders I2C/SMBUS 16BIT 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 Availability : 7732
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.9317

Multiples of: 1

16 I/O   2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTTSSOP - 24Tube  
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 Availability : 7639
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.649

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTQFN - 24Cut Tape  
PCAL6534EVJ


Interface - I/O Expanders ULV 34-bit Fm+, I2C- I/O Expander
Icon ROHS
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 Availability : 7613
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 1.5381

Multiples of: 1

 I2c, Serial, Smbus With Interrupt0.8 v to 3.6 V+ 85 C- 40 CSmd/SmtVFBGA - 42Cut Tape  
PCA9554PW,112


Interface - I/O Expanders I2C I/O EXPANDER GP
Icon ROHS
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 Availability : 7571
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.8694

Multiples of: 1

8I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
PCA9554ABS,118


Interface - I/O Expanders I2C I/O EXPANDER GP
Icon ROHS
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 Availability : 7554
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.8173

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
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