The PCA9534RGVR is a chip that provides 8 bits of General Purpose Input/Output (GPIO) expansion for I2C-bus/SMBus applications. Its specifications are as follows:
8 GPIOs with independently programmable direction and polarity
Compatible with both the I2C and SMBus protocols
Supports a maximum I2C bus frequency of 400 kHz
Operating voltage range: 1.65 V to 5.5 V
Low standby current consumption of 1 μA (max)
Active current consumption of 1.6 mA (typ) at VDD = 3.3 V
Schmitt-trigger action allows slow input transition and better noise immunity
Open-drain interrupt output can be configured to operate in either a latch or transparent mode
Available in a 16-pin VQFN package
RoHS compliant and lead-free
PCA9534RGVR
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