Selection reference · illustrative scenario
Clock roles in the application
Map switch, optical-module and network-card clocks to their SerDes, DSP and management controllers instead of procuring every source to one performance grade.
Engineering selection review
For differential references, compare signaling, supply, termination and integration band. Management and log clocks also require enable and timekeeping review. Confirm architecture-specific limits with the host.
Procurement and documentation
Include serdes/dsp and reference architecture and frequency and signaling, plus the existing full code, sample and production quantities and delivery target. Discuss nominated international brands and domestic candidates separately, confirming parameters and documents by part.
Illustrative validation scenario
When changing a module reference, compare candidates on the same board and measurement connections across link tests, temperature corners and enable states, rather than ranking fs values alone.
Inquiry & validation checklist
- SerDes/DSP and reference architecture
- Frequency and signaling
- Jitter definition and integration band
- Package, temperature and supply plan
