PCAL9555A gpio equivalent, low-voltage 16-bit i2c-bus gpio.
* 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.
The PCAL9555A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and weak pull-up resistors for I2C-bus/SMBus applications. NXP I/O expanders provide a simple solution when additional I/Os are needed while keeping int.
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