Assignee: QuickLogic Corporation

Location: SantaClara, CA
No. of patents: 28

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Number	Title	Issue Date
6097077	Programmable interconnect structures and programmable integrated circuits Antifuses and gate arrays with antifuses are disclosed that have high thermal stability, reduced size, reduced leakage current, reduced capacitance in the unprogrammed state, improved manufacturing yield, and more controllable electrical characteristics. ...	08/01/2000
5594364	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell include...	01/14/1997
5557136	Programmable interconnect structures and programmable integrated circuits Antifuses and gate arrays with antifuses are disclosed that have high thermal stability, reduced size, reduced leakage current, reduced capacitance in the unprogrammed state, improved manufacturing yield, and more controllable electrical characteristics. ...	09/17/1996
5552720	Method for simultaneous programming of multiple antifuses A sequence of antifuses to be programmed is determined by: determining whether a first antifuse of an unordered list of antifuses to be programmed could be programmed last without programming any antifuses which are not to be programmed, determining wheth...	09/03/1996
5544070	Programmed programmable device and method for programming antifuses of a programmable device A programmable device comprises a first antifuse programmed with a first programming method and a second antifuse programmed with a second programming method, whereby an actual operating current flowing through the second antifuse exceeds a maximum permis...	08/06/1996
5526276	Select set-based technology mapping method and apparatus A logic circuit is implemented on a macrocell of a field programmable device using select sets of a logic function which represents a transformation of the one or more input signals of the logic circuit to the output signal of the logic circuit. Select se...	06/11/1996
5502315	Electrically programmable interconnect structure having a PECVD amorphous silicon element In one method for forming amorphous silicon antifuses with significantly reduced leakage current, a film of amorphous silicon is formed in a antifuse via between two electrodes. The amorphous silicon film is deposited using plasma enhanced chemical vapor ...	03/26/1996
5495181	Integrated circuit facilitating simultaneous programming of multiple antifuses To facilitate the simultaneous programming of multiple antifuses on an integrated circuit, a first current path is established from a first programming terminal (VPP1) of a programmable logic device through a first antifuse to be programmed and a second c...	02/27/1996
5477167	Programmable application specific integrated circuit using logic circuits to program antifuses therein A programmable ASIC architecture allows the size of programming transistors to be reduced along with other parts of the device as advances in processing technology are made. Programming enable circuits are used to allow a programming address shift registe...	12/19/1995
5471154	Programming of antifuses The invention allows programming an antifuse so as to reduce the antifuse resistance and the standard deviation of the resistance without increasing the programming current. This is achieved by passing current pulses of the opposite polarity through the a...	11/28/1995
5469109	Method and apparatus for programming anti-fuse devices Improved apparatus and methods for programming anti-fuse devices utilized in programmable semiconductor chips are described. An anti-fuse device circuit is disclosed wherein an anti-fuse device is connected between two programming transistors, and each pr...	11/21/1995
5469077	Field programmable antifuse device and programming method therefor A method for reducing the resistance of a programing path through a programmable antifuse from a programming voltage to ground. A previously programmed helper antifuse connected somewhere along a two branch programming path is connected to either the prog...	11/21/1995
5448184	Method and apparatus for programming anti-fuse devices Improved apparatus and methods for programming anti-fuse devices utilized in programmable semiconductor chips are described. An anti-fuse device circuit is disclosed wherein an anti-fuse device is connected between two programming transistors, and each pr...	09/05/1995
5430390	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell include...	07/04/1995
5424655	Programmable application specific integrated circuit employing antifuses and methods therefor A programmable ASIC architecture allows the size of programming transistors to be reduced along with other parts of the device as advances in processing technology are made. Programming enable circuits are used to allow a programming address shift registe...	06/13/1995
5416367	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a plurality of logic cells ("modules") integrated with the programmable configuration netwo...	05/16/1995
5397939	Programming of antifuses The invention allows programming an antifuse so as to reduce the antifuse resistance and the standard deviation of the resistance without increasing the programming current. This is achieved by passing current pulses of the opposite polarity through the a...	03/14/1995
5396127	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell include...	03/07/1995
5362676	Programmable interconnect structures and programmable integrated circuits An amorphous silicon antifuse has a bottom electrode, a dielectric overlying the bottom electrode, amorphous silicon contacting the bottom electrode in a via in the dielectric, and the top electrode over the amorphous silicon. Spacers are provided in the ...	11/08/1994
5327024	Field programmable antifuse device and programming method therefor A method for reducing the resistance of a programming path through a programmable antifuse from a programming voltage to ground. A previously programmed helper antifuse connected somewhere along a two branch programming path is connected to either the pro...	07/05/1994
5319238	Programmable interconnect structures and programmable integrated circuits An amorphous silicon antifuse has a bottom electrode, a dielectric overlying the bottom electrode, amorphous silicon contacting the bottom electrode in a via in the dielectric, and the top electrode over the amorphous silicon. Spacers are provided in the ...	06/07/1994
5302546	Programming of antifuses The invention allows programming an antifuse so as to reduce the antifuse resistance and the standard deviation of the resistance without increasing the programming current. This is achieved by passing current pulses of the opposite polarity through the a...	04/12/1994
5293133	Method of determining an electrical characteristic of an antifuse and apparatus therefor A method for determining an electrical characteristic (such as a resistance) of an antifuse of a programmable device. The method comprises the steps of: 1) before the antifuse is programmed, determining an electrical characteristic (such as a voltage, cur...	03/08/1994
5280202	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell include...	01/18/1994
5243226	Programming of antifuses The invention allows programming an antifuse so as to reduce the antifuse resistance and the standard deviation of the resistance without increasing the programming current. This is achieved by passing current pulses of the opposite polarity through the a...	09/07/1993
5220213	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell include...	06/15/1993
5196724	Programmable interconnect structures and programmable integrated circuits An amorphous silicon antifuse has a bottom electrode, a dielectric overlying the bottom electrode, amorphous silicon contacting the bottom electrode in a via in the dielectric, and the top electrode over the amorphous silicon. Spacers are provided in the ...	03/23/1993
5122685	Programmable application specific integrated circuit and logic cell therefor A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell include...	06/16/1992

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Assignee: QuickLogic Corporation