Interface - I/O Expanders

Interface - I/O Expanders

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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
PCF8574ADW N/A IC I/O EXPANDER I2C 8B 16SOIC - -40°C ~ 85°C POR Tube Surface Mount - - 2.5 V ~ 6 V Push-Pull
PCA9698DGG,518 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 40B 56TSSOP - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 2.3 V ~ 5.5 V Open Drain
PCA8574D,518 NXP Semiconductors / Freescale 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
MCP23017-E/SO Micrel / Microchip Technology IC I/O EXPANDER I2C 16B 28SOIC - -40°C ~ 125°C POR Tube Surface Mount - - 1.8 V ~ 5.5 V Push-Pull
PCA6107DWR N/A IC I/O EXPANDER I2C 8B 18SOIC - -40°C ~ 85°C POR Cut Tape (CT) Surface Mount - - 2.3 V ~ 5.5 V Open Drain, Push-Pull
SX1508BIULTRT Semtech IC EXPANDER 8 CHAN 20QFN - -40°C ~ 85°C POR Cut Tape (CT) Surface Mount - - 1.2 V ~ 3.6 V Open Drain, Push-Pull
PCA9535EDWR2G AMI Semiconductor / ON Semiconductor IC I/O Expander 16B 24SOIC - -55°C ~ 125°C POR Tape & Reel (TR) Surface Mount - - 1.65 V ~ 5.5 V Push-Pull
MAX7315AUE+ Maxim Integrated IC I/O EXPANDER I2C 8B 16TSSOP - -40°C ~ 125°C PWM Tube Surface Mount - - 2 V ~ 3.6 V Open Drain
PCF8575CDW N/A IC I/O EXPANDER I2C 16B 24SOIC - -40°C ~ 85°C POR Tube Surface Mount - - 4.5 V ~ 5.5 V Open Drain
CAT9534YI-GT2 AMI Semiconductor / ON Semiconductor IC I/O EXPANDER I2C 8B 16TSSOP - -40°C ~ 85°C POR Original-Reel® 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.