Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-speed design guidelines, such as using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines.
To ensure signal integrity, use a controlled impedance PCB design, minimize signal reflections, and use termination resistors as recommended in the datasheet. Additionally, use a signal integrity analysis tool to simulate and optimize the design.
The maximum cable length supported by the DS90LT012AHMF/NOPB depends on the specific application and the type of cable used. As a general guideline, the datasheet recommends a maximum cable length of 10 meters for FPD-Link III applications.
To troubleshoot issues with the DS90LT012AHMF/NOPB, use a logic analyzer or oscilloscope to capture and analyze the signal waveforms. Check for signal integrity issues, clock domain crossing issues, and ensure that the device is properly configured and powered.
While the DS90LT012AHMF/NOPB is optimized for FPD-Link III applications, it can be used in other high-speed serial interface applications with proper configuration and design. However, it's essential to consult with Texas Instruments or a qualified engineer to ensure the device meets the specific application requirements.