CDC204DW datasheet by Texas Instruments

CDC204DW Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the CDC204DW?
  The recommended power-up sequence is to apply VCC first, followed by VDD, and then the clock signal. This ensures proper initialization of the device.
• How do I handle metastability in the CDC204DW?
  Metastability can be handled by using synchronizers, such as two-stage synchronizers, to resynchronize the data signals. Additionally, using a clock domain crossing (CDC) circuit like the CDC204DW can help to reduce metastability issues.
• What is the maximum frequency of operation for the CDC204DW?
  The maximum frequency of operation for the CDC204DW is 200 MHz. However, this frequency may vary depending on the specific application and system requirements.
• Can I use the CDC204DW for asynchronous clock domain crossing?
  Yes, the CDC204DW can be used for asynchronous clock domain crossing. It is designed to handle asynchronous clock domains and can transfer data between two clock domains with different frequencies and phases.
• How do I implement FIFO synchronization using the CDC204DW?
  FIFO synchronization can be implemented using the CDC204DW by connecting the FIFO read and write clocks to the CDC204DW's clock inputs. The CDC204DW will then synchronize the FIFO read and write operations across the clock domains.