I²C/SMBus Expander IC, 400 kHz, 24‑TSSOP Package
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The MAX7318AUG+ is an I²C/SMBus port expander manufactured by Maxim Integrated. This device provides additional general-purpose parallel inputs/outputs (GPIOs) for microcontrollers through a two-wire serial interface. It operates at a maximum I²C clock frequency of 400 kHz and is supplied in a 24-TSSOP package.
This I²C expander is commonly used to increase the number of available I/O ports in embedded systems. Its compact size and serial interface make it suitable for applications where board space is limited and a large number of I/O lines are needed.