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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
XRA1200IG16TR-F Exar Corporation IC I/O PORT EXPANDER 8 BIT I2C G - - - 1.65 V ~ 3.6 V - - - - -
TCA9534DWR N/A IC I/O EXPANDER I2C 8B 16-SOIC - Tape & Reel (TR) Surface Mount 1.65 V ~ 5.5 V 16-SOIC (0.295", 7.50mm Width) - 16-SOIC - -
PCA9673D,112 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 16B 24SOIC - Tube Surface Mount 2.3 V ~ 5.5 V 24-SOIC (0.295", 7.50mm Width) PCA9673 24-SO - -
PCA9673DB,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 16B 24SSOP - Tape & Reel (TR) Surface Mount 2.3 V ~ 5.5 V 24-SSOP (0.209", 5.30mm Width) PCA9673 24-SSOP - -
TCA6424RGJR N/A IC I/O EXPANDER I2C 24B 32QFN - Original-Reel® Surface Mount 1.65 V ~ 5.5 V 32-UQFN Exposed Pad TCA6424 32-UQFN-EP (5x5) - -
MAX7323ATE+ Maxim Integrated IC I/O EXPANDER I2C 4B 16TQFN - Tube Surface Mount 1.71 V ~ 5.5 V 16-WFQFN Exposed Pad MAX7323 16-TQFN (3x3) - -
PCA9539PW,118 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 16B 24TSSOP - Tape & Reel (TR) Surface Mount 2.3 V ~ 5.5 V 24-TSSOP (0.173", 4.40mm Width) PCA9539 24-TSSOP - -
PCA9674PW,112 NXP Semiconductors / Freescale IC I/O EXPANDER I2C 8B 16TSSOP - Tube Surface Mount 2.3 V ~ 5.5 V 16-TSSOP (0.173", 4.40mm Width) PCA9674 16-TSSOP - -
IS82C55A96 Intersil IC I/O EXPANDER 24B 44PLCC - Tape & Reel (TR) Surface Mount 4.5 V ~ 5.5 V 44-LCC (J-Lead) 82C55A 44-PLCC (16.58x16.58) - -
MAX7313AEG+ Maxim Integrated IC I/O EXPANDER I2C 16B 24QSOP - Tube Surface Mount 2 V ~ 3.6 V 24-SSOP (0.154", 3.90mm Width) MAX7313 24-QSOP - -

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.