PCA9543AD,118 datasheet by NXP Semiconductors

PCA9543AD,118 Frequently Asked Questions (FAQs)

• What is the maximum frequency of the I2C bus that the PCA9543AD can support?
  The PCA9543AD can support I2C bus frequencies up to 400 kHz.
• Can the PCA9543AD be used to switch between multiple I2C buses?
  Yes, the PCA9543AD is a 2-channel I2C-bus switch, allowing you to switch between two separate I2C buses.
• How do I control the PCA9543AD?
  The PCA9543AD is controlled using the I2C bus. You can send commands to the device using I2C write operations to select the active channel.
• What is the power consumption of the PCA9543AD?
  The PCA9543AD has a low power consumption of 1.5 μA (typical) in standby mode and 10 μA (typical) in active mode.
• Is the PCA9543AD compatible with 3.3V and 5V systems?
  Yes, the PCA9543AD is compatible with both 3.3V and 5V systems, making it a versatile solution for various applications.