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GPIO Expanders

NXP Semiconductors' industry-leading GPIO expanders provide 4, 8, 16, 24, or 40 general purpose I/O pins for the CPU via the I2C bus to help designers reduce board space and complexity and simplify software development time for lower overall system cost.

  • Robust performance from the I2C inventors: rock solid performance and specification conformance eliminates miscommunication and system hang up issues 
  • Broadest portfolio: complete line of industry-standard and special-function devices simplifies procurement and minimizes qualification costs with a single supplier
  • Differentiated devices: help the users' systems stand out in the market
    • Lowest I2C bus power supply voltage down to 0.8 V eliminates level translation
    • Smallest, thinnest packages available save space: 2 mm x 2 mm x 0.35 mm 24-pin land grid array
    • Agile I/O GPIO includes features to eliminate external components like pull up resistors, open drain outputs, output drive control, and input latches to permit faster software development and more robust firmware performance

App Note: AN11496 Agile I/O Devices Electrical Characteristics
Selector Guide: I2C Selector Guide 2016

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