Method and an apparatus to sense supply voltage

Details Method and an apparatus to sense supply voltage Method and an apparatus to sense supply voltage

2006-05-09

2008-11-11

Kinkead, Arnold (Department: 2817)

Oscillators

Ring oscillators

C331S074000, C331S185000, C324S12300R, C374S170000

Reexamination Certificate

active

07449966

ABSTRACT:
A method and an apparatus to sense supply voltage have been disclosed. In one embodiment, the apparatus includes a resistor having a first end and a second end, the first end coupled to a voltage supply and a ring oscillator sensor coupled between the second end of the resistor and ground, the ring oscillator sensor having an output coupled to a computational element. Other embodiments have been claimed and described.

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Zhang, Michael T., “Powering Intel Pentium 4 Generation Procesors,” 2001 IEEE, pp. 215-218.

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