Interface - I/O Expanders

Interface - I/O Expanders

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Operating Temperature
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Mounting Type
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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
TCA9538PWR N/A IC I/O EXPANDER I2C 8B 16TSSOP - -40°C ~ 85°C - Cut Tape (CT) Surface Mount - - 1.65 V ~ 5.5 V Push-Pull
PCA9575PW2,118 NXP Semiconductors / Freescale IC I2C/SMBUS 16BIT GPIO 28TSSOP - -40°C ~ 85°C POR Cut Tape (CT) Surface Mount - - 1.1 V ~ 3.6 V Push-Pull
PI4IOE5V9538LE Diodes Incorporated IC I/O EXPANDER 8-BIT 16TSSOP - - POR Tube Surface Mount - - 2.3 V ~ 5.5 V Open Drain
CAT9554AWI-GT2 AMI Semiconductor / ON Semiconductor IC I/O EXPANDER I2C 8B 16SOIC - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 2.3 V ~ 5.5 V Push-Pull
MCP23S17T-E/ML Micrel / Microchip Technology IC I/O EXPANDER SPI 16B 28QFN - -40°C ~ 125°C POR Tape & Reel (TR) Surface Mount - - 1.8 V ~ 5.5 V Push-Pull
MCP23S18-E/SO Micrel / Microchip Technology IC I/O EXPANDER SPI 16B 28SOIC - -40°C ~ 125°C - Tube Surface Mount - - 1.8 V ~ 5.5 V Open Drain
PCA9539BS,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 16B 24HVQFN - -40°C ~ 85°C POR Cut Tape (CT) Surface Mount - - 2.3 V ~ 5.5 V Push-Pull
MAX7311AAG+ Maxim Integrated IC I/O EXPANDER I2C 16B 24SSOP - -40°C ~ 125°C POR Tube Surface Mount - - 2 V ~ 5.5 V Push-Pull
PCAL9535AHF,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
PCA9672PW,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 8B 16TSSOP - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 2.3 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.