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PCA9575 low voltage GPIO

PCA9575 Description

PCA9575 16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt Rev.5.0 * 31 May 2023 Product data sheet .
The PCA9575 is a CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion in low voltage processor and handheld bat.

PCA9575 Features

* Separate supply rails for core logic and each of the two I/O banks provides voltage level shifting
* 1.1 V to 3.6 V operation with level shifting feature
* Very low standby current: < 2 μA
* 16 configurable I/O pins organized as 2 banks that default to inputs at pow

PCA9575 Applications

* and was developed to enhance the NXP family of I2C-bus I/O expanders. The improvements include lower supply current, lower operating voltage of 1.1 V to 3.6 V, separate supply rails to allow voltage level translation anywhere between 1.1 V and 3.6 V, 400 kHz clock frequency, and smaller packaging. A

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low voltage GPIO NXP Semiconductors
NXP Semiconductors PCA9575-like datasheet