Interface - I/O Expanders

Interface - I/O Expanders

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Manufacturer Part Number
Voltage - Supply
Output Type

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Image Part Number Manufacturer Description Series Operating Temperature Features Packaging Mounting Type RoHS Status Manufacturer Part Number Voltage - Supply Output Type
MCP23S08-E/SO Micrel / Microchip Technology IC I/O EXPANDER SPI 8B 18SOIC - -40°C ~ 125°C POR Tube Surface Mount - - 1.8 V ~ 5.5 V Push-Pull
SX1503I091TRT Semtech IC GPIO EXPANDER I2C 16CH 28-QFN - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 1.2 V ~ 5.5 V Push-Pull
XRA1200PIG16TR-F Exar Corporation IC I/O PORT EXPANDER 8 BIT I2C G - -40°C ~ 85°C - - - - - 1.65 V ~ 3.6 V Open Drain
XRA1405IL24TR-F Exar Corporation IC I/O PORT EXPANDER 16 BIT SPI - -40°C ~ 85°C - - - - - 1.65 V ~ 3.6 V Open Drain
MAX7314AEG+ Maxim Integrated IC I/O EXPANDER I2C 16B 24QSOP - -40°C ~ 125°C PWM Tube Surface Mount - - 2 V ~ 3.6 V Open Drain
TCA9555DBT N/A IC I/O EXPANDER 400KHZ 24SSOP - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 1.65 V ~ 5.5 V Push-Pull
PI4IOE5V96224ZLEX Diodes Incorporated INTERFACE IO EXPANDER,TQFN3060-3 - -40°C ~ 85°C POR Original-Reel® Surface Mount - - 2.3 V ~ 5.5 V Open Drain
PCAL9555AHF,128 NXP Semiconductors / Freescale IC I/O EXPANDER 16BIT 24HWQFN Agile -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 1.65 V ~ 5.5 V Open Drain, Push-Pull
CAT9555HT6I-GT2 AMI Semiconductor / ON Semiconductor IC I/O EXPANDER 16BI 2C 24TQFN - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 2.3 V ~ 5.5 V Push-Pull
TCA6408ZXYR N/A IC I/O EXPANDER I2C 8B 20BGA - -40°C ~ 85°C POR Cut Tape (CT) Surface Mount - - 1.65 V ~ 5.5 V Push-Pull

About Interface - I/O Expanders


I/O expanders are integrated circuits or modules used to increase the number of input and output (I/O) pins available to a microcontroller or other digital device. They typically use serial communication interfaces such as I2C or SPI to communicate with the host controller and provide additional GPIO (General Purpose Input/Output) pins for connecting sensors, actuators, and other peripherals. I/O expanders are commonly used in embedded systems, IoT (Internet of Things) devices, and industrial automation applications where the number of available I/O pins on the microcontroller is limited.