VLSI DV Interview Puzzles · All levels

Temporal Corner Puzzles

Sampled-value functions and timing history pitfalls involving $past, $rose, $fell, and $stable.

About this puzzle set

Sampled-value functions and timing history pitfalls involving $past, $rose, $fell, and $stable.

Puzzles in this topic

diagram
1. $past Startup History Hole  [Medium]
2. $rose Sampled on Clock Edge  [Easy]
3. $fell With Non-Overlapped Consequent  [Medium]
4. $stable Repeated Hold Check  [Medium]
5. Cross-Cycle Correlation With $past Depth  [Hard]
6. Vector $rose Sampling Trap  [Hard]

Work each puzzle before reading the solution: predict the exact output or answer, name the rule that governs it, then check yourself.

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