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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Image  Information Image Stock Code(▲▼)Description
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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
  
                
MCP23S08-E/P


IC: expander; 8bit I/O port; SPI; DIP18; 1.8÷5.5VDC
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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 : 1020
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.2169

Multiples of: 1

8 I/OSerial, SPI With Interrupt1.8 V to 5.5 V+ 125 C- 40 CThrough HolePDIP - 18Tube  
PCF8574AP


Interface - I/O Expanders DIP-16 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.

HGSEMI Availability : 970
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.8084

Multiples of: 1

   Yes        
CP82C55AZ


Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O5V8MHZ40PDIPCOM
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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.

Renesas Availability : 960
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 14.534

Multiples of: 1

 Parallel  4.5 v to 5.5 V  Through HolePDIP - 40Tube  
MCP23009T-E/SS


Interface - I/O Expanders 8-bit 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 : 955
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.3911

Multiples of: 1

        SSOP - 20Reel  
PCA9554ADGVR


Interface - I/O Expanders Rem 8B I2C & SMBus 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 : 950
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8709

Multiples of: 1

8I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 16Reel  
MCP23016T-IML


Microchip Technology Interface - IO Expanders 16 bit InOut
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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 : 945
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2.3601

Multiples of: 1

    5.5 V+ 85 C- 40 CSmd/SmtQFN - 28Reel  
TCA9534DWT


Interface - I/O Expanders Remote 8-Bit I2C Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-SOIC -40 to 85
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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 : 895
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.7142

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9557PW


Interface - I/O Expanders Remote 8B I2C & SMBus 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 : 893
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0225

Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
PCF8575TS/1.112


Interface; I/O expander; 2.2÷5.5VDC; Interface: I2C, parallel; SMD
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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 : 890
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 2.2966

Multiples of: 1

            
PCAL6416AEVJ


NXP Semiconductors Interface - IO Expanders 16bit I2CSMBus IO Expander wInterrupt
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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 : 884
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.7333

Multiples of: 1

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