40+ questions across 12 sections, each answer self-contained with a Source reference tracing back to the originating D369 file.
Here's a quick map of what's inside:
| Section | Topic | Questions |
|---|---|---|
| §1 | What Is D369? | Identity, scope, three tags, structural observability defined |
| §2 | Cost, Yield, Performance | Area (~0.01%), 1,000:1 cost ratio, zero performance impact, no new EDA tools |
| §3 | The Three‑Page Contract | Package structure, why only three pages, SHALL/MAY conventions |
| §4 | Debug & Existing Infrastructure | Why JTAG can't substitute, DFT coexistence, defect handling |
| §5 | Board‑Level Concerns | Four preservation rules, the board review question, "preserve not interpret" |
| §6 | Memory & DIMMs | Five DIMM failure modes, DDR5 inflection point, HBM problem, refresh as phase transition |
| §7 | Chiplets & Packaging | Four topologies, active interposer insight, D2D protocol readiness, hardest boundary |
| §8 | Monolithic SoC | Five NoC erasures, cache as persistence boundary, PMU Always‑On rule, lifecycle source |
| §9 | Adoption & Ordering | Fabs before students, six phases, key message to fabs, anti‑patterns |
| §10 | RTT Alignment | Mid‑spine position, imports/exports, no RTT knowledge required |
| §11 | Boundaries & Non‑Claims | Ten explicit non‑claims, Silence Clause, encoding agnosticism |
| §12 | Student Questions | Building metaphor, three tags, reading order, contribution paths, the one sentence to remember |
The file closes with a Quick Reference table pulling every review question from every D369 file into one scannable block — so a reviewer can carry all the gate questions on a single page.