CDCVF857DGG datasheet by Texas Instruments

CDCVF857DGG Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the CDCVF857DGG?
  The recommended power-up sequence is to apply VCC first, followed by VDD, and then the input clock signal. This ensures proper initialization and prevents potential latch-up conditions.
• How do I ensure proper termination for the output signals?
  The CDCVF857DGG requires a 50-ohm termination resistor to VCC or VDD for each output signal. This ensures signal integrity and prevents reflections.
• What is the maximum clock frequency supported by the CDCVF857DGG?
  The CDCVF857DGG supports clock frequencies up to 250 MHz. However, the actual frequency limit may depend on the specific application, PCB layout, and signal quality.
• Can I use the CDCVF857DGG in a 3.3V system?
  Yes, the CDCVF857DGG is compatible with 3.3V systems. However, ensure that the input clock signal and output loads are compatible with the 3.3V voltage level.
• How do I handle the output enable (OE) pin?
  The OE pin is active-low, meaning it should be pulled low to enable the output signals. When OE is high, the outputs are in a high-impedance state.