Techniques for mapping to a shared lookup table mask

Details Techniques for mapping to a shared lookup table mask Techniques for mapping to a shared lookup table mask

2008-03-25

2008-03-25

Dinh, Paul (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000, C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

07350176

ABSTRACT:
Techniques for combining lookup tables on a programmable integrated circuit are provided. Lookup tables (LUTS) in a design for a programmable circuit can be combined into one mask if they implement the same function. Any two LUTs in a design can be compared to determine if they implement the same function by rearranging the input signals of one of the LUTs with respect to the input terminals of that LUT. Pairs of LUTs can be rejected if they do not share at least N common input signals, or if they have more than M unique input signals.

REFERENCES:
patent: 5387985 (1995-02-01), Loce et al.
patent: 5452227 (1995-09-01), Kelsey et al.
patent: 5636368 (1997-06-01), Harrison et al.
patent: 6360352 (2002-03-01), Wallace
patent: 6380759 (2002-04-01), Agrawal et al.
patent: 6473885 (2002-10-01), Wallace
patent: 6490717 (2002-12-01), Pedersen et al.
patent: 6529284 (2003-03-01), Ganapathy et al.
patent: 6798240 (2004-09-01), Pedersen
patent: 6848094 (2005-01-01), Andreev et al.
patent: 6957412 (2005-10-01), Betz et al.
patent: 7020855 (2006-03-01), Wallace
patent: 7075827 (2006-07-01), Aoyama et al.
patent: 7167022 (2007-01-01), Schleicher et al.
patent: 2003/0229658 (2003-12-01), Guidry
patent: 2004/0193835 (2004-09-01), Devaney et al.
patent: 2005/0024086 (2005-02-01), Or-Bach
patent: 2005/0280438 (2005-12-01), Park
patent: 2006/0097750 (2006-05-01), Leijten-Nowak
patent: 2006/0117280 (2006-06-01), Wallace
patent: 2006/0176075 (2006-08-01), Or-Bach
patent: 2006/0256213 (2006-11-01), Sasaki

Affiliated with

Also associated with

Rating

Techniques for mapping to a shared lookup table mask does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Techniques for mapping to a shared lookup table mask, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Techniques for mapping to a shared lookup table mask will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2784270