PCA9534DWR datasheet by Texas Instruments

Description PCA9534 - Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85
Datasheet Type Original
RoHS Yes
Pb Free Yes
Lifecycle Active
ECCN EAR99
HTS Code 8542.39.00.01
Schedule B 8542.39.00.00
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PCA9534DWR Frequently Asked Questions (FAQs)

The PCA9534DWR can support I2C bus frequencies up to 400 kHz.
The PCA9534DWR can be configured to operate in 8-bit or 16-bit mode by setting the MODE pin high or low, respectively, during power-up.
The PCA9534DWR can sink or source up to 25 mA of current on each output pin.
The PCA9534DWR can be reset by pulling the RESET pin low for at least 1 ms.
The INT pin is an active-low interrupt output that is asserted when a change is detected on any of the input pins.