The PCA9534DGVR from Texas Instruments is a sophisticated, high-performance I/O expander that offers a wide range of functionalities.

• Product: PCA9534DGVR
• Manufacturer: Texas Instruments
• Type: PCA953x family of I²C-bus/SMBus, low-power CMOS 8-bit GPIO expanders
• Package: Compact TSSOP package
• Feature: Low standby current consumption
• Power Supply Range: 2.3V to 5.5V
• Feature: Interrupt output
• Feature: Supports both hot insertion and hot removal
• Feature: Active LOW reset input (RESET)
• Protocol: Uses the I²C-bus/SMBus protocol, which supports data transfer rates up to 1 Mbit/s
• Compliance: Compliant with the SMBus alert response