The CY7B9950AXC can support clock frequencies up to 200 MHz, but it's recommended to check the specific application and system requirements to ensure reliable operation.
Cypress provides a Clock Domain Crossing (CDC) application note (AN54444) that provides guidelines and examples for implementing CDC with the CY7B9950AXC. It's recommended to follow these guidelines to ensure reliable data transfer between clock domains.
The recommended power-up sequence for the CY7B9950AXC is to apply power to VCC first, followed by VCCIO, and then clock and input signals. This sequence helps to ensure that the device powers up correctly and minimizes the risk of latch-up or other issues.
Metastability issues can occur when asynchronous signals are used with the CY7B9950AXC. To handle metastability issues, Cypress recommends using synchronizers, such as the ones provided in the CY7B9950AXC, or implementing external synchronizers using flip-flops or other synchronization techniques.
The CY7B9950AXC has an operating temperature range of -40°C to +85°C (industrial grade) and -40°C to +125°C (extended industrial grade). It's recommended to check the specific device marking and documentation to ensure the correct operating temperature range.
CY7B9950AXC datasheet
by Cypress Semiconductor
