CY7B991V-2JC datasheet by Cypress Semiconductor

CY7B991V-2JC Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with CY7B991V-2JC?
  The maximum clock frequency for CY7B991V-2JC is 200 MHz. However, it's recommended to check the specific application and system requirements to ensure the clock frequency is within the recommended range.
• How do I implement clock domain crossing (CDC) with CY7B991V-2JC?
  To implement CDC with CY7B991V-2JC, you need to use a clock domain crossing circuit or a synchronizer to transfer data between different clock domains. Cypress provides application notes and design guides to help with CDC implementation.
• What is the recommended termination scheme for CY7B991V-2JC?
  The recommended termination scheme for CY7B991V-2JC is to use a series resistor (Rs) of 22-33 ohms and a parallel capacitor (Cp) of 10-20 pF at the receiver end. However, the optimal termination scheme may vary depending on the specific application and system requirements.
• Can I use CY7B991V-2JC in a 3.3V system?
  Yes, CY7B991V-2JC is compatible with 3.3V systems. The device operates from a 2.5V to 3.3V power supply, making it suitable for use in 3.3V systems.
• How do I handle metastability issues with CY7B991V-2JC?
  To handle metastability issues with CY7B991V-2JC, you can use synchronizers or metastability-hardened flip-flops. Cypress also provides guidelines and application notes to help mitigate metastability issues.