Integrated circuit design apparatus with multiple connection mod

Details Integrated circuit design apparatus with multiple connection mod Integrated circuit design apparatus with multiple connection mod

1994-11-22

1997-03-11

Teska, Kevin J.

Boots, shoes, and leggings

364488, 364489, 364490, G06F 1560

Patent

active

056108320

ABSTRACT:
Method and apparatus for providing multiple connection modes in a CAD tool or other computer program for integrated circuit design. The apparatus includes a graphical editor for entering and modifying, in memory, circuit elements of an integrated circuit layout. Within the apparatus is an implicit connection generator for automatically extracting electrical connections between the circuit elements in the layout, the generator representing the connections by connectivity data stored in a design database contained within memory. Also within the apparatus is an explicit wiring generator for creating and preserving electrical connections between the circuit elements in response to user commands from the editor. The explicit wiring generator represents the connections by connectivity data stored in the design database. The connectivity data has the same format whether generated by the implicit connection or explicit wiring generators, and thus can be modified by either connection mode of operation regardless of how the data was originally created.

REFERENCES:
patent: 5247456 (1993-09-01), Ohe et al.
Physical Design Automation of VLSI Systems, Bryan Preas and Michael Lorenzetti, Ch. 6, pp. 211-281, The Benjamin/Cummings Publishing Company, Inc., 1988.
L Database and Language User's and Reference Manual, v 5.6.sub.- 1, 1985.
I. Rugen et al., "An Interactive Layout Design System with Real-Time Logical Verification and Extraction of Layout Parasitica" Jun. 1988, IEEE Journal of Solid State Circuits, 698-704.

Affiliated with

Also associated with

Rating

Integrated circuit design apparatus with multiple connection mod does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Integrated circuit design apparatus with multiple connection mod, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Integrated circuit design apparatus with multiple connection mod will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-448685