I/O Expanders

Devices in this family are used in conjunction with microcontrollers, microprocessors, or similar devices for the purpose of increasing the number of signal connections available for connecting peripheral devices. The typical concept of operation involves the use of serial communications requiring only a few I/O lines on the host device to read/write the status of many input/output pins on the expander device. The technique exchanges speed of communication for increased connectivity, and is best suited for applications where fast response is not critical, such as in many human interface applications.

I/O Expanders Product List

Total Results:1115

PCF8574PWR

  • Texas Instruments
  • IC XPNDR 100KHZ I2C 20TSSOP
  • Stock:9851

PCA9554PW,118

  • NXP USA Inc.
  • IC XPND 400KHZ I2C SMBUS 16TSSOP
  • Stock:7222

PCA9554APW,118

  • NXP USA Inc.
  • IC XPND 400KHZ I2C SMBUS 16TSSOP
  • Stock:3313

PCAL6524HEHP

  • NXP USA Inc.
  • IC XPNDR 1MHZ I2C 32HUQFN
  • Stock:4862

PCA9674PW,118

  • NXP USA Inc.
  • IC XPNDR 1MHZ I2C 16TSSOP
  • Stock:5429

PCA9701PW,118

  • NXP USA Inc.
  • IC XPNDR 5MHZ SPI SERIAL 24TSSOP
  • Stock:1018

PCA9555APW,118

  • NXP USA Inc.
  • IC XPND 400KHZ I2C SMBUS 24TSSOP
  • Stock:1567

PCAL9555APW,118

  • NXP USA Inc.
  • IC XPND 400KHZ I2C SMBUS 24TSSOP
  • Stock:1408

PCA9555PW,118

  • NXP USA Inc.
  • IC XPND 400KHZ I2C SMBUS 24TSSOP
  • Stock:8112

PCA9555AHF,128

  • NXP USA Inc.
  • IC XPND 400KHZ I2C SMBUS 24HWQFN
  • Stock:9262

TCA9555RTWR

  • Texas Instruments
  • IC XPNDR 400KHZ I2C SMBUS 24WQFN
  • Stock:2225

TCA9555DBR

  • Texas Instruments
  • IC XPNDR 400KHZ I2C SMBUS 24SSOP
  • Stock:6530

PCA9536D,118

  • NXP USA Inc.
  • IC XPNDR 400KHZ I2C SMBUS 8SO
  • Stock:9713

TCA9535DBR

  • Texas Instruments
  • IC XPNDR 400KHZ I2C SMBUS 24SSOP
  • Stock:9814

TCA6418EYFPR

  • Texas Instruments
  • IC XPNDR 1MHZ I2C 25DSBGA
  • Stock:4753

Top brands recommended

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