PCA9546AD,118 datasheet by NXP Semiconductors

PCA9546AD,118 Frequently Asked Questions (FAQs)

• What is the maximum frequency of the I2C bus that PCA9546AD can support?
  The PCA9546AD can support I2C bus frequencies up to 400 kHz.
• How many downstream I2C buses can the PCA9546AD support?
  The PCA9546AD can support up to 4 downstream I2C buses.
• What is the maximum capacitance that the PCA9546AD can drive?
  The PCA9546AD can drive up to 400 pF of capacitance on each I2C bus.
• Does the PCA9546AD support hot-swapping of I2C devices?
  Yes, the PCA9546AD supports hot-swapping of I2C devices, allowing devices to be added or removed without powering down the system.
• How does the PCA9546AD handle bus contention and arbitration?
  The PCA9546AD uses a built-in arbitration mechanism to handle bus contention, ensuring that only one device can transmit on the bus at a time.