Understand the difference.
Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.
PG
SymbolsPower-good indication
A power-good signal reports whether the source's specified acceptable-supply conditions are satisfied.
- Drawing use
- Schematic
- Application
- Logic & signals
- Reference family
- Manufacturer
A distinction that matters
Power-good timing and thresholds come from the selected source or supervisor.
WDT
SymbolsWatchdog timer
Supervises a qualifying activity signal and operates its output when the documented watchdog timing condition is violated.
- Drawing use
- Schematic
- Application
- Logic & signals
- Reference family
- Manufacturer
A distinction that matters
A watchdog supervises activity timing; it does not prove that the processor's control algorithm is correct.
Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.