* I²C-bus to parallel port expander
* Operating power supply voltage range of 1.65 V to 5.5 V
* Low standby current consumption:
* 2.5 µA (maximum)
* Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inp
NCA9539
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Low-voltage 16-bit i2c and smbus low-power i/o expander.
NCA9539 Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers Rev. 2 18 Oc.
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