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Course contents

  • How to Use This Course
  • Low-Power Metrics Reference
  • Low-Power Glossary
  • Reading Path
  • Power Intent Fundamentals61
  • Isolation & Retention61
  • Level Shifters & Power Switches61
  • UPF Implementation Flow61
  • Low Power Verification61
  • PD & Power Grid Integration61
  • Low Power Interview Prep4
  • Low Power / UPF Cheatsheet
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‹Low-Power Design
  1. Topics
  2. Low-Power Design
  3. Low Power / UPF Cheatsheet

Low Power / UPF · All levels

Low Power / UPF Cheatsheet

Dense reference for transition debug, UPF signoff, and interview answers.

Debug order

Diagram
TRANSITION -> POLICY -> METRIC -> ARTIFACT -> OWNER -> REGRESSION

Intent: domain/state table, policy objects, control polarities
Sequence: save/isolate/off/on/restore/release ordering
Crossings: isolation + level-shifter correctness
Implementation: LP cell placement, rail connectivity, AON integrity
Signoff: simulation + formal + implementation + waiver discipline

Questions before proposing a fix

  1. Which transition and domain crossing actually failed first?

  2. Is this policy intent mismatch, sequence ordering bug, or physical issue?

  3. Which artifact proves the hypothesis?

  4. Who owns the minimal reversible fix?

  5. What full LP regression closes release risk?

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See also

  • How to Use This Course
  • Low-Power Metrics Reference
  • Low-Power Glossary