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
  
                
PCAL9539APW,118


Interface - I/O Expanders 16b I2C BUS INTERUPT
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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 : 5883
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.426
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9554BBSHP


Interface - IO Expanders 8b I2CSMBus IO Port I2C Fixed Address
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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 : 5820
Ship by Wed. 29 May to Tue. 04 Jun Calender.png

USD 0.9859
Multiples of: 6000

    1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
MCP23S08-E/SS


IC: expander; 8bit I/O port; SPI; SSOP20; 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 : 5784
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USD 1.1913
Multiples of: 67

            
PCA9500BS,118


NXP Semiconductors Interface - IO 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 : 5775
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.4001
Multiples of: 1

         Reel  
PCA9674ABS,118


Interface - I/O Expanders 8-BIT I2C FM+ QB
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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 : 5724
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.0477
Multiples of: 1

8 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCF8574APW


Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus
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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 : 5701
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.5306
Multiples of: 1

8I2c, Smbus100 KHzNo2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA9554DWR


Interface - I/O Expanders Remote 8-Bit I2C and 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 : 5622
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.3382
Multiples of: 1

8 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideReel  
PCA9557BS,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO RST
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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 : 5577
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 0.8602
Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCA9555D,118


Interface - I/O Expanders 16-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 : 5529
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.575
Multiples of: 1

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Reel  
PCA9554CBSHP


Interface - IO Expanders 8b I2CSMBus IO Port I2C Fixed Address
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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 : 5477
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 0.8895
Multiples of: 1

    1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Cut Tape  
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