ADAPTIVE VOLTAGE SCALING SYSTEM FOR OUT OF CONTEXT FUNCTIONAL SAFETY SoC

A circuit comprising:

• a power on reset (PoR) stage comprising:
• an input terminal;
• and
• a first output terminal;
• a second output terminal;
• and
• a third output terminal;
• and
• a sequencer comprising:
• a first AND gate comprising:
• a first input terminal coupled to the first output terminal of the PoR stage;
• a second input terminal;
• and
• an output terminal;
• a second AND gate comprising:
• a first input terminal coupled to the second output terminal of the PoR stage;
• a second input terminal;
• and
• an output terminal;
• a third AND gate comprising:
• a first input terminal coupled to the third output terminal of the PoR stage;
• a second input terminal;
• and
• an output terminal;
• and
• an OR gate comprising:
• a first input terminal coupled to the output terminal of the first AND gate;
• a second input terminal coupled to the output terminal of the second AND gate;
• a third input terminal coupled to the output terminal of the third AND gate;
• and
• an output terminal.