low-voltage 16-bit i2c-bus i/o port.
* I²C-bus to parallel port expander
* Operating power supply voltage range of 2.3 V to 5.5 V
* Ultra low standby current consumption:
* 1 µA (maximum)
It is designed for a wide voltage range of 2.3 V to 5.5 V with interrupt and default pull-up resistors on GPIOs. Nexper.
The PCA9555 provides 16 bits of General Purpose Input/Output (GPIO) expansion for I²C-bus/SMBus applications. It is designed for a wide voltage range of 2.3 V to 5.5 V with interrupt and default pull-up resistors on GPIOs. Nexperia GPIO expanders pro.
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