Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2008-01-22
2008-01-22
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S513000
Reexamination Certificate
active
07321254
ABSTRACT:
An on-chip substrate voltage controller which includes a plurality of chains of interconnected loaded ring oscillators connected to a multiplexer, where the multiplexer is configured to average the outputs from all the chains of interconnected loaded ring oscillators. An output of the multiplexer is connected to a comparator, such as a phase detector. The comparator also receives an output from a PLL, and is configured to compare the output of the multiplexer to the output of the PLL. An output of the comparator is connected to the controllable voltage regulator. The controllable voltage regulator receives a voltage in as well as the output of the comparator, and applies a substrate bias depending on what is received from the comparator.
REFERENCES:
patent: 5155380 (1992-10-01), Hwang et al.
patent: 5208557 (1993-05-01), Kersh, III
patent: 5999009 (1999-12-01), Mitsui
patent: 6020781 (2000-02-01), Fujioka
patent: 6097113 (2000-08-01), Teraoka et al.
patent: 6100768 (2000-08-01), Hirayama
patent: 6166577 (2000-12-01), Mizuno et al.
patent: 6310928 (2001-10-01), Yunome
patent: 6466077 (2002-10-01), Miyazaki et al.
patent: 6535013 (2003-03-01), Samaan
patent: 6560164 (2003-05-01), Kawai et al.
patent: 2002/0017946 (2002-02-01), Fujii et al.
patent: 2004/0012449 (2004-01-01), Illegems
patent: 2005/0218871 (2005-10-01), Kang et al.
patent: 2006/0132243 (2006-06-01), Yamanaka et al.
Leyrer Johann
Li Weidan
Mbouombouo Benjamin
Hiltunen Thomas J.
LSI Logic Corporation
Trexler Bushnell Giangiorgi & Blackstone Ltd.
Wells Kenneth B.
LandOfFree
On-chip automatic process variation, supply voltage... 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 automatic process variation, supply voltage..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On-chip automatic process variation, supply voltage... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2775741