The PCA9534DW is a high-performance, low-power, 8-bit I/O expander from Texas Instruments, a renowned global semiconductor company.

• Operating Voltage: 2.3V to 5.5V
• I2C Bus and SMBus Interface: Allows interfacing with a multitude of devices
• GPIO Expansion: 8-bit General Purpose I/O (GPIO) expansion
• Low Power Consumption: Designed with a low standby current
• Interrupt Output: Configurable to alert the microcontroller when there is a change in the input status
• Hardware Address Pins: Three hardware address pins allow up to eight devices to be connected on the same bus
• ESD Protection: Designed with robust ESD protection
• Package: Compact, surface-mount package (SOIC)
• RoHS Compliant: Meets the environmental standards set by the Restriction of Hazardous Substances Directive