Above the RTL · Notes
Two clocks. One bridge. The rest is engineering.
Technical reference notes accompanying abovethertl.com — the Substack publication on AI and chip design, written from inside the industry.
This site hosts the longer technical material that sits behind the narrative posts: CDC physics, synchronizer analysis, MTBF arithmetic, archetype catalogs, and the kind of detail that would bog down a post but matters to engineers actually closing sign-off.