The PCA9535PW is a high-quality, versatile product from Texas Instruments, a leading global semiconductor design and manufacturing company.

• Function: 16-bit I²C and SMBus, low-power I/O expander with interrupt output and configuration registers
• Supply Voltage Range: 2.3V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Package: TSSOP (Thin Shrink Small Outline Package) with 24 pins
• Operating Modes: Normal mode and the low-power mode
• Maximum Frequency (Normal Mode): 400kHz
• Interrupt Output: Can be configured to alert the microprocessor when there is a change in the input state
• Internal Power-On Reset: Yes
• Hardware Address Pins: Three hardware address pins that allow up to eight devices to share the same I²C bus or SMBus