The PCA9543AD is a high-performance, low-voltage dual-channel I2C-bus switch with interrupt logic from Texas Instruments.

• Operating Voltage: 2.3V to 5.5V
• Interrupt Inputs: Two active-low interrupt inputs
• Interrupt Output: One active-low interrupt output
• Reset Input: Active-low reset input
• RON Characteristic: Low RON
• Quiescent Current: Incredibly low
• SMBus Alert Response: Acknowledge feature
• Hardware Addressing: Yes, enables up to four devices to share the same bus or SMBus segment
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Operating Temperature: -40°C to +85°C