Low Power / UPF · All levels

Low-Power Glossary

Shared vocabulary for UPF, power states, and low-power signoff.

Terms to use precisely

  • Power domain: logic partition with independent power policy.

  • Supply set: grouped supply nets associated with a domain role.

  • PST: legal power-state combinations and transitions.

  • Isolation: clamping crossing outputs from inactive domains.

  • Retention: preserving selected state through collapse.

  • AON: always-on logic/rails required for power management.

  • Inrush current: transient current surge during power-up.