1
Michael D Rostoker, James S Koford, Ranko Scepanovic, Edwin R Jones, Gobi R Padmanahben, Ashok K Kapoor, Valeriy B Kudryavtsev, Alexander E Andreev, Stanislav V Aleshin, Alexander S Podkolzin: Hexagonal field programmable gate array architecture. LSI Logic Corporation, Mitchell Silberberg & Knupp, July 7, 1998: US05777360 (227 worldwide citation)

Several inventions are disclosed. A cell architecture using hexagonal shaped cells is disclose. The architecture is not limited to hexagonal shaped cells. Cells may be defined by clusters of two or more hexagons by triangles, by parallelograms, and by other polygons enabling a variety of cell shapes ...


2
Michael D Rostoker, James S Koford, Ranko Scepanovic, Edwin R Jones, Gobi R Padmanahben, Ashok K Kapoor, Valeriv B Kudryavtsev, Alexander E Andreev, Stanislav V Aleshin, Alexander S Podkolzin: CAD for hexagonal architecture. LSI Logic Corporation, Oppenheimer Poms Smith, October 13, 1998: US05822214 (186 worldwide citation)

Several inventions are disclosed. A cell architecture using hexagonal shaped cells is disclosed. The architecture is not limited to hexagonal shaped cells. Cells may be defined by clusters of two or more hexagons, by triangles, by parallelograms, and by other polygons enabling a variety of cell shap ...


3
Ranko Scepanovic, James S Koford, Alexander E Andreev: Advanced modular cell placement system with overlap remover with minimal noise. February 15, 2000: US06026223 (169 worldwide citation)

A method for refining the position of linearly aligned cells on the surface of a semiconductor chip is disclosed herein. The method comprises defining an array of spaces between cells based on maximum and minimum cell positions, establishing a minimum spacing between cells, and linearly shifting cel ...


4
Michael D Rostoker, James S Koford, Ranko Scepanovic, Edwin R Jones, Gobi R Padmanahben, Ashok K Kapoor, Valeriy B Kudryavtsev, Alexander E Andreev, Stanislav V Aleshin, Alexander S Podkolzin: Hexagonal architecture. LSI Logic Corporation, Mitchell Silberberg & Knupp, June 18, 2002: US06407434 (144 worldwide citation)

Several inventions are disclosed. A cell architecture using hexagonal shaped cells is disclosed. The architecture is not limited to hexagonal shaped cells. Cells may be defined by clusters of two or more hexagons, by triangles, by parallelograms, and by other polygons enabling a variety of cell shap ...


5
Alexander E Andreev, Elyar E Gasanov, Ranko Scepanovic, Pedja Raspopovic: Method and apparatus for parallel simultaneous global and detail routing. LSI Logic Corporation, Mitchell Silberberg & Knupp, November 27, 2001: US06324674 (140 worldwide citation)

A method for routing nets in an integrated circuit design, said method comprising the steps of dividing the integrated circuit design with lines in a first direction and lines in a second direction, forming a routing graph having vertices and edges, wherein vertices correspond to locations where lin ...


6
Ranko Scepanovic, James S Koford, Valeriy B Kudryavstev, Alexander E Andreev, Stanislav V Aleshin, Alexander S Podkolzin: Microelectronic integrated circuit structure and method using three directional interconnect routing based on hexagonal geometry. LIS Logic Corporation, Poms Smith Lande & Rose, November 26, 1996: US05578840 (138 worldwide citation)

Electrical conductors for interconnecting terminals of microelectronic cells of an integrated circuit extend in three directions that are angularly displaced from each other by 60.degree.. The conductors pass through points defined by centers of closely packed hexagons superimposed on the circuit su ...


7
Michael D Rostoker, James S Koford, Ranko Scepanovic, Edwin R Jones, Gobi R Padmanahben, Ashook K Kapoor, Valeriy B Kudryavtsev, Alexander E Andreev, Stanislav V Aleshin, Alexander S Podkolzin: Transistors having dynamically adjustable characteristics. LSi Logic Corporation, Mitchell Silberberg & Knupp, September 22, 1998: US05811863 (133 worldwide citation)

Several inventions are disclosed. A cell architecture using hexagonal shaped cells is disclosed. The architecture is not limited to hexagonal shaped cells. Cells may be defined by clusters of two or more hexagons, by triangles, by parallelograms, and by other polygons enabling a variety of cell shap ...


8
Michael D Rostoker, James S Koford, Ranko Scepanovic, Edwin R Jones, Gobi R Padmanahben, Ashok K Kapoor, Valeriy B Kudryavtsev, Alexander E Andreev, Stanislav V Aleshin, Alexander S Podkolzin: Microelectronic integrated circuit including triangular CMOS "nand" gate device. LSI Logic Corporation, Steven W Poms Smith Lande & Rose Smyrski, July 22, 1997: US05650653 (114 worldwide citation)

A microelectronic integrated circuit includes a semiconductor substrate, and a plurality of CMOS microelectronic devices formed on the substrate. Each device includes a triangular ANY element of a first conductivity type (PMOS or NMOS), and a triangular ALL element of a second conductivity type (NMO ...


9
Pedja Raspopovic, Ranko Scepanovic, Alexander E Andreev: Method and apparatus for local optimization of the global routing. LSI Logic Corporation, Mitchell Silberberg & Knupp, September 11, 2001: US06289495 (109 worldwide citation)

A method for routing nets in an integrated circuit design, said method comprising the steps of forming a routing graph for an integrated circuit design, said routing graph have edges in a first direction and edges in a second direction, globally routing said integrated circuit design in accordance w ...


10
Elyar E Gasanov, Ranko Scepanovic, Pedja Raspopovic, Alexander E Andreev: Net routing using basis element decomposition. LSI Logic Corporation, Mitchell Silberberg & Knupp, June 26, 2001: US06253363 (106 worldwide citation)

A method for routing a net on an integrated circuit device, said method comprising the steps of creating a list of basis elements of the net, said basis elements being defined by a predetermined size limitation, determining a complexity value for each basis element as a function of the distance betw ...