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Interface - I/O Expanders

Interface - I/O Expanders

  1. Products
  2. Integrated Circuits (ICs)
  3. Interface - I/O Expanders
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Image Part Number Manufacturer Description Series Packaging Mounting Type Voltage - Supply Package / Case Base Part Number Supplier Device Package Data Format Baud Rates
XRA1200PIL16MTR-F Exar Corporation IC I/O PORT EXPANDER 8 BIT I2C G - - - 1.65 V ~ 3.6 V - - - - -
MCP23S08T-E/ML Micrel / Microchip Technology IC I/O EXPANDER SPI 8B 20QFN - Tape & Reel (TR) Surface Mount 1.8 V ~ 5.5 V 20-VFQFN Exposed Pad MCP23S08 20-QFN-EP (4x4) - -
PCA9557DT N/A IC I/O EXPANDER I2C 8B 16SOIC - Tape & Reel (TR) Surface Mount 2.3 V ~ 5.5 V 16-SOIC (0.154", 3.90mm Width) PCA9557 16-SOIC - -
PCA9535BS,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 16B 24HVQFN - Tape & Reel (TR) Surface Mount 2.3 V ~ 5.5 V 24-VFQFN Exposed Pad PCA9535 24-HVQFN (4x4) - -
TCA9554APWR N/A IC I/O EXPANDER I2C 8BIT 16TSSOP - Tape & Reel (TR) Surface Mount 1.65 V ~ 5.5 V 16-TSSOP (0.173", 4.40mm Width) TCA9554A 16-TSSOP - -
MAX7310AEE+T Maxim Integrated IC I/O EXPANDER I2C 8B 16QSOP - Cut Tape (CT) Surface Mount 2.3 V ~ 5.5 V 16-SSOP (0.154", 3.90mm Width) - 16-QSOP - -
TCA9538DBR N/A IC I/O EXPANDER I2C 8B 16TSSOP - Tape & Reel (TR) Surface Mount 1.65 V ~ 5.5 V 16-SSOP (0.209", 5.30mm Width) - 16-SSOP - -
PCF8574DWE4 N/A IC I/O EXPANDER I2C 8B 16SOIC - Tube Surface Mount 2.5 V ~ 6 V 16-SOIC (0.295", 7.50mm Width) PCF8574 16-SOIC - -
MAX7316ATE+T Maxim Integrated IC I/O EXPANDER I2C 16B 16TQFN - Tape & Reel (TR) Surface Mount 2 V ~ 3.6 V 16-WFQFN Exposed Pad MAX7316 16-TQFN (3x3) - -
CMP82C55AZ Intersil IC PROG PERIPHERAL INTFC 40DIP - Tube Through Hole 4.5 V ~ 5.5 V 40-DIP (0.600", 15.24mm) 82C55A 40-DIP - -

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.