PCA9555A port equivalent, low-voltage 16-bit i2c-bus i/o port.
* I2C-bus to parallel port expander
* Operating power supply voltage range of 1.65 V to 5.5 V
* Low standby current consumption:
* 1.5 A (typical at 5 V .
NXP I/O expanders provide a simple solution when additional I/Os are needed while keeping interconnections to a minimum.
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