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
TCA9534PWR N/A IC I/O EXPANDER I2C 8B 16TSSOP - -40°C ~ 85°C - Tape & Reel (TR) Surface Mount - - 1.65 V ~ 5.5 V Push-Pull
BU1850MUV-E2 LAPIS Semiconductor IC I/O EXPANDER IAC 8B 16VQFN - -30°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 1.65 V ~ 3.6 V Open Drain
PCA9539RPW/Q900J NXP Semiconductors / Freescale 16-BIT I2C-BUS AND SMBUS LOW POW Automotive, AEC-Q100 -40°C ~ 105°C POR Tape & Reel (TR) Surface Mount - - 2.3 V ~ 5.5 V Push-Pull
PCA9675D,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 16B 24SOIC - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 2.3 V ~ 5.5 V Push-Pull
PCA9534BS3,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 8B 16HVQFN - -40°C ~ 85°C POR Cut Tape (CT) Surface Mount - - 2.3 V ~ 5.5 V Push-Pull
STMPE2401TBR STMicroelectronics IC I/O EXPANDER I2C 24B 36TFBGA Xpander Logic™ -40°C ~ 85°C Keypad Controller, POR, PWM Original-Reel® Surface Mount - - 1.65 V ~ 1.95 V Push-Pull
PCF8575PWG4 N/A IC I/O EXPANDER I2C 16B 24TSSOP - -40°C ~ 85°C POR Tube Surface Mount - - 2.5 V ~ 5.5 V Push-Pull
PI4IOE5V9557LE Diodes Incorporated IC I/O EXPANDER 8BIT I2C 16TSSOP - -40°C ~ 85°C - - - - - 2.3 V ~ 5.5 V -
PCA9557D/DG,118 NXP Semiconductors / Freescale IC I/O PORT I2C/SMBUS 16-SOIC - -40°C ~ 85°C POR Tape & Reel (TR) Surface Mount - - 2.3 V ~ 5.5 V Open Drain, Push-Pull
PCA9703PW,112 NXP Semiconductors / Freescale IC SPI GPI 16-BIT 24TSSOP - - - Tube Surface Mount - - 4.5 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.