Method and apparatus for late timing transition detection

Details Method and apparatus for late timing transition detection Method and apparatus for late timing transition detection

2005-09-23

2009-11-24

Tan, Vibol (Department: 2819)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By presence or absence pulse detection

C327S145000, C326S040000, C326S046000, C326S098000

Reexamination Certificate

active

07622961

ABSTRACT:
Two latches store the state of a data signal at a transition of a clock signal. Comparison logic compares the outputs of the two latches and produces a signal to indicate whether the outputs are equal or unequal. Systems using the latches and comparison logic are described and claimed.

REFERENCES:
patent: 4535459 (1985-08-01), Hogge, Jr.
patent: 5223755 (1993-06-01), Richley
patent: 5301196 (1994-04-01), Ewen et al.
patent: 5317219 (1994-05-01), Lupi et al.
patent: 5398262 (1995-03-01), Ahuja
patent: 5579352 (1996-11-01), Llewellyn
patent: 5917356 (1999-06-01), Casal et al.
patent: 6058152 (2000-05-01), Tanishima
patent: 6100732 (2000-08-01), Penry et al.
patent: 6121804 (2000-09-01), Bryan et al.
patent: 6225831 (2001-05-01), Dalmia et al.
patent: 6259274 (2001-07-01), Endou et al.
patent: 6545508 (2003-04-01), Senba
patent: 7088796 (2006-08-01), Djahanshahi et al.
patent: 7092474 (2006-08-01), Cao
patent: 7190906 (2007-03-01), Cao
patent: 2001/0030566 (2001-10-01), Sahu
patent: 2001/0033407 (2001-10-01), Cao
patent: 2004/0078661 (2004-04-01), Nakano et al.
patent: 09 200491 (1997-07-01), None
patent: 2005 214732 (2005-08-01), None
International Application PCT/US2006/036153 PCT Search Report & Written Opinion dated Mar. 29, 2007.
PCT International Preliminary Report on Patentability, PCT/US2006/036153 issued Mar. 26, 2008 (1 page).
PCT Written Opinion PCT/US2006/036153 issued Mar. 26, 2008 (5 pages).
UHT: Going Beyond Worst-Case Specs with TEAtime, IEEE Computer Society, Mar. 2004, pp. 51-56.
Thomas Knight et al., “A Method for Skew-free Distribution of Digital Signals Using Matched Variable Delay Lines”, Artificial Intelligence Laboratory and Dept. of Electircal Engineerign and Computer Science, Mass. Institute of Technology, A.I. Memo No. 1282, Mar. 1992, pp. 1-13.
Knight, C.G., et al. “An IDDQ Sensor for Concurrent Timing Error Detection”, IEEE, 1997, pp. 281-289.
Ernst, D., et al., “Razor: A Low-Power Pipeline Based on Circuit-Level Timing Speculation”, Proc. of 36th Int'l Symp. on Microarchitecure, IEEE, 2003, 12 pp.
Uht, A.K., “Going Beyond Worst-Case Specs with TEAtime”, IEEE Computer Society, Mar. 2004, pp. 51-56.

Affiliated with

Also associated with

Rating

Method and apparatus for late timing transition detection does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for late timing transition detection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for late timing transition detection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4107119