PCA9519BS,118 datasheet by NXP Semiconductors

PCA9519BS,118 Frequently Asked Questions (FAQs)

• What is the maximum frequency of the I2C bus that PCA9519BS,118 can support?
  The PCA9519BS,118 can support I2C bus frequencies up to 1 MHz, but it's recommended to operate at 400 kHz or lower for reliable operation.
• Can PCA9519BS,118 be used as a level shifter for other protocols besides I2C?
  No, PCA9519BS,118 is specifically designed for I2C bus level shifting and is not recommended for use with other protocols.
• How do I ensure that the PCA9519BS,118 is properly powered and biased?
  Make sure to connect VCC to a stable 1.8V to 5.5V power supply, and connect VREF to a stable reference voltage (typically VCC). Also, ensure that the input and output sides of the device are properly biased and terminated.
• What is the maximum capacitance that can be driven by the PCA9519BS,118?
  The PCA9519BS,118 can drive capacitive loads up to 400 pF, but it's recommended to keep the load capacitance as low as possible to ensure reliable operation.
• Can PCA9519BS,118 be used in a hot-swappable application?
  Yes, PCA9519BS,118 is designed to support hot-swapping, but it's essential to ensure that the power supply and biasing are properly managed during the hot-swap event.