1
Richard G Cliff, Bahram Ahanin, Craig S Lytle, Francis B Heile, Bruce B Pedersen, Kerry Veenstra: Programmable logic array having local and long distance conductors. Altera Corporation, Robert R Jackson, November 9, 1993: US05260611 (377 worldwide citation)

A programmable logic array integrated circuit has a number of programmable logic modules which are grouped together in a plurality of logic array blocks ("LABs"). The LABs are arranged on the circuit in a two dimensional array. A conductor network is provided for interconnecting any logic module wit ...


2
Bruce B Pedersen, Richard G Cliff, Bahram Ahanin, Craig S Lytle, Francis B Heile, Kerry S Veenstra: Programmable logic element interconnections for programmable logic array integrated circuits. Altera Corporation, Robert R Jackson, G Victor Treyz, November 9, 1993: US05260610 (349 worldwide citation)

A programmable logic array integrated circuit has a plurality of programmable logic elements grouped into a plurality of mutually exclusive groups. Each group includes signal conductors uniquely associated with that group for conveying signals between the programmable logic elements in that group. O ...


3
Robert F Hartmann, Yiu Fai Chan, Robert Frankovich, Jung Hsing Ou: Programmable logic array device using EPROM technology. Altera Corporation, Hamrick Hoffman Guillot & Kazubowski, September 2, 1986: US04609986 (334 worldwide citation)

An electrically programmable, eraseable and reprogrammable, monolithic integrated circuit logic array device is disclosed. The device includes a plurality of three types of logic array macrocells, each including an AND array matrix of EPROM transistors configured to form a plurality of "product term ...


4
Sau Ching Wong, Hock Chuen So, Stanley J Kopec Jr, Robert F Hartmann: Programmable logic device with array blocks connected via programmable interconnect. Altera Corporation, Robert R Jackson, October 3, 1989: US04871930 (308 worldwide citation)

A programmable logic device having a relatively small number of programmable product terms ("P-terms") feeding each fixed combinatorial logic device, and additional "expander" programmable P-terms which do not directly feed a fixed device. Relatively simple logic functions can be performed by suitab ...


5
Robert F Hartmann, Sau Ching Wong, Yiu Fai Chan, Jung Hsing Ou: Programmable logic array device using EPROM technology. Altera Corporation, Hamrick Hoffman Guillot & Kazubowski, October 14, 1986: US04617479 (295 worldwide citation)

The programmable logic array device basically comprises a programmable AND array (FIGS. 5, 11) having a plurality of memory cells (30, 31) arranged in addressable rows (40-45) and columns (32-38) and which can be individually programmed to contain logic data; an input circuit (FIG. 9) for receiving ...


6
Richard G Cliff, Srinivas T Reddy, Rina Raman, L Todd Cope, Joseph Huang, Bruce B Pedersen: Programmable logic array integrated circuit devices. Altera Corporation, Robert R Jackson, Fish & Neave, November 18, 1997: US05689195 (275 worldwide citation)

A programmable logic array integrated circuit device includes a plurality of regions of programmable logic disposed on the device in a two-dimensional array of interesting rows and columns. Interconnection conductors are associated with each row and column. The interconnection conductors associated ...


7
Richard G Cliff, L Todd Cope, Cameron R McClintock, William Leong, James A Watson, Joseph Huang, Bahram Ahanin: Programmable logic array integrated circuits. Altera Corporation, Townsend and Townsend and Crew, August 27, 1996: US05550782 (248 worldwide citation)

A programmable logic array integrated circuit has a number of programmable logic modules which are grouped together in a plurality of logic array blocks ("LABs"). The LABs are arranged on the circuit in a two dimensional array. A conductor network is provided for interconnecting any logic module wit ...


8
William W Leong, Richard G Cliff, Cameron McClintock: Programmable logic array device with grouped logic regions and three types of conductors. Altera Corporation, Jeffrey H Ingerman, Fish & Neave, July 16, 1996: US05537057 (233 worldwide citation)

A programmable logic array device in which programmable logic regions are arranged in groups of four is provided. The device includes direct connect conductors for carrying signals totally within one group of four regions as well as to certain adjacent programmable logic regions, local conductors fo ...


9
Rakesh H Patel, John E Turner, Myron W Wong: Programmable logic device having multiplexers and demultiplexers randomly connected to global conductors for interconnections between logic elements. Altera Corporation, Robert R Jackson, G Victor Treyz, December 6, 1994: US05371422 (225 worldwide citation)

A programmable logic device is provided that has a two-dimensional array of logic array blocks. The logic array blocks, which contain advanced macrocells, contain programmable input arrays based on pterm logic and are two-dimensionally interconnected with global horizontal and vertical conductors. T ...


10
Martin Langhammer, Gregory Starr, Chiao Kai Hwang: Devices and methods with programmable logic and digital signal processing regions. Altera Corporation, Robert R Jackson, Fish & Neave, March 25, 2003: US06538470 (223 worldwide citation)

A programmable logic integrated circuit device (“PLD”) includes programmable logic and a dedicated (i.e., at least partly hard-wired) digital signal processing region for performing or at least helping to perform digital signal processing tasks that are unduly inefficient to implement in the more ge ...