I/O Expander ICs
Welcome to the range of I/O Expander ICs from PMD Way.
I/O (Input Output) expanders allow you to add more digital inputs and/or outputs to your development board or microcontroller. PMD Way has a range of I/O expander ICs in both through-hole and SMD form - including MCP23017, MCP23008, SX1509 and more.
We also offer I/O Expander breakout boards - click here to learn more.
And as always - if you need any help, or a bulk deal - please email support@pmdway.com
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$12.95Microchip MCP23017 16-bit I2C Port Expander IC - 2 Pack
The MCP23017 16-bit I2C Port Expander IC from PMD Way allows you to add sixteen inputs or outputs (in two pairs of eight) easily to any platform wi...
View full details$12.95 -
$9.95PCF8574 8 Bit I2C I/O Expander - DIP - 5 Pack
Now available from PMD Way is the incredibly useful PCF8574 8-bit port expander IC in through-hole DIP package. Sold in packs of five. This 8-bit...
View full details$9.95 -
$49.95Microchip MCP23017 16-bit I2C Port Expander IC - 10 Pack
The MCP23017 16-bit I2C Port Expander IC from PMD Way allows you to add sixteen inputs or outputs (in two pairs of eight) easily to any platform wi...
View full details$49.95 -
$10.95TCA9548A I2C Multiplexer 1-to-8 IC TSSOP24 - 10 Pack
If you need to control more than one device that uses the same I2C bus, then you need the TCA9548A I2C Multiplexer 1-to-8 IC from PMD Way (with fre...
View full details$10.95 -
$49.95Microchip MCP23S17 16-bit SPI Port Expander SMD 28SSOP IC - 10 Pack
Now available from PMD Way is the Microchip MCP23S17 16-bit SPI Port Expander IC - an ideal way to add I/O to your device that has an SPI data bus....
View full details$49.95 -
$14.95Microchip MCP23S17 16-bit SPI Port Expander IC
Now available from PMD Way is the Microchip MCP23S17 16-bit SPI Port Expander IC - an ideal way to add I/O to your device that has an SPI data bus....
View full details$14.95 -
$32.95Microchip MCP23017 16-bit I2C Port Expander SMD SOP28 IC - 10 Pack
The MCP23017 16-bit I2C Port Expander IC from PMD Way allows you to add sixteen inputs or outputs (in two pairs of eight) easily to any platform wi...
View full details$32.95 -
$16.95MCP23008 - I2C 8 Input/Output Port Expander SMD SOP18 IC - 5 Pack
Add another eight input or output pins to your Arduino or other development board with the MCP23008 I/O port expander IC from PMD Way. This is th...
View full details$16.95 -
$22.95MCP23008 - I2C 8 Input/Output Port Expander IC - 5 Pack
Add another eight input or output pins to your Arduino or other development board with the MCP23008 I/O port expander IC from PMD Way. You can set...
View full details$22.95
