CDCVF857DGGR datasheet by Texas Instruments

CDCVF857DGGR Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the CDCVF857DGGR?
  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 handle the clock input signal to ensure proper operation?
  The clock input signal should be a clean, low-jitter signal with a rise time of less than 2 ns. It's recommended to use a clock signal with a 50% duty cycle and to avoid clock frequencies below 10 MHz.
• What is the maximum frequency of operation for the CDCVF857DGGR?
  The maximum frequency of operation for the CDCVF857DGGR is 250 MHz. However, the actual operating frequency may be limited by the specific application, PCB layout, and environmental conditions.
• How do I ensure proper signal integrity and minimize jitter on the output signals?
  To ensure proper signal integrity and minimize jitter, use a low-impedance output termination (e.g., 50 ohms), keep the output traces short and well-matched, and avoid using long cables or connectors.
• What is the recommended operating temperature range for the CDCVF857DGGR?
  The recommended operating temperature range for the CDCVF857DGGR is -40°C to 85°C. However, the device can operate up to 125°C with reduced performance and reliability.