On-chip power supply noise detector

Details On-chip power supply noise detector On-chip power supply noise detector

2007-10-18

2008-10-28

Nguyen, Vinh P (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S765010

Reexamination Certificate

active

07443187

ABSTRACT:
Techniques for on-chip detection of integrated circuit power supply noise are disclosed. By way of example, a technique for monitoring a power supply line in an integrated circuit includes the following steps/operations. A first signal and a second signal are preconditioned. The first signal is representative of a voltage of the power supply line being monitored. The second signal is representative of a voltage of a reference power supply line. Preconditioning includes shifting respective levels of the voltages such that the voltages are within an input voltage range of comparator circuitry. Then, the preconditioned first signal and the preconditioned second signal are compared in accordance with the comparator circuitry. Comparison includes detecting when a difference exists between the voltage level of the preconditioned first signal and the voltage level of the preconditioned second signal.

REFERENCES:
patent: 6823293 (2004-11-01), Chen et al.
patent: 6842027 (2005-01-01), Liu et al.
patent: 7116114 (2006-10-01), Kajita
patent: 7157947 (2007-01-01), Chansungsan et al.
patent: 2005/0114054 (2005-05-01), Shimazaki et al.
H. Aoki et al., “On-Chip Voltage Noise Monitor for Measuring Voltage Bounce in Power Supply Lines Using a Digital Tester,” Proceedings of the 2000 International Conference on Microelectronic Test Structures, pp. 112-117, 2000.
A. Muhtaroglu, “On-Die Droop Detector for Analog Sensing of Power Supply Noise,” IEEE Journal of Solid-State Circuits, pp.-651-660, vol. 39, No. 4, Apr. 4, 2004.

Affiliated with

Also associated with

Rating

On-chip power supply noise detector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with On-chip power supply noise detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On-chip power supply noise detector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3993379