Method of controlling a self-test in a data processing system and data processing system suitable for this method
One of the objects of the invention is to reduce the number of connections specially required for controlling tests while maintaining the uniform controllability by use of a scan circuit. The inventio... Read More
Inventors: Dekker, Robertus W. C.;, Assignee: U.S. Philips Corporation (New York, NY) |
Redundancy circuitry layout for a semiconductor memory device
In view of the state of the art described, the objective of the present invention is to provide a redundancy circuitry layout which minimizes the chip size overhead due to the implementation of redund... Read More
Inventors: Pascucci, Luigi; Carrera, Marcello; Defendi, Marco;, Assignee: SGS-Thomson Microelectronics S.r.l. (Agrate Brianza, IT) |
Same state and opposite state diagnostic test for ferroelectric memories
It is, therefore, a principal object of the test method of the present invention to characterize the performance of integrated ferroelectric memories, particularly at wafer level. It is another object... Read More
Inventors: Mitra, Sanjay; Hackbarth, Holden;, Assignee: Ramtron International Corporation (Colorado Springs, CO) |
Limited probes device testing for high pin count digital devices
In accordance with a preferred embodiment of the present invention an integrated circuit is tested when input and output pads of the integrated circuit are unconnected to any external device. In order... Read More
Inventors: Satish, Keshava I.;, Assignee: VLSI Technology, Inc. (San Jose, CA) |
Method of stress testing integrated circuit having memory and integrated circuit having stress tester for memory thereof
With the foregoing in mind, the present invention advantageously provides a method of stress testing an integrated circuit having memory and an integrated circuit having stress tester for memory of th... Read More
Inventors: So, Jason Siucheong;, Assignee: STMicroelectronics, Inc. (Carrollton, TX) |
Configuration logic to eliminate signal contention during reconfiguration
In accordance with the present invention, a method for preventing signal contention during reconfiguration of a programmable logic device includes the steps of: arranging a plurality of memory cells i... Read More
Inventors: Cheung, Edmond Y.; Erickson, Charles R.;, Assignee: Xilinx, Inc. (San Jose, CA) |
High speed PLD "AND" array with separate nonvolatile memory
The invention is a unique high speed Programmable Logic Device ("PLD") AND array with separate nonvolatile memory. The invention utilizes a separate nonvolatile memory to isolate the effect of defecti... Read More
Inventors: Zhou, Shidong;, Assignee: Xilinx, Inc. (San Jose, CA) |
Method for automatic open-circuit detection
We have developed a method of fault diagnosis for open circuits that requires no special probing--i.e., no probing other than that routinely provided by a bed-of-nails fixture in an in-circuit test--b... Read More
Inventors: Hamblin, Michael W.; Robinson, Gordon D.;, Assignee: GenRad, Inc. (Concord, MA) |
Models and technique for automated fault isolation of open defects in logic
OF THE ILLUSTRATED EMBODIMENTS The present invention comprises a technique that includes diagnostic fault models and an associated algorithm to automate the diagnosis of open defects (a.k.a., open fa... Read More
Inventors: Venkataraman, Srikanth;, Assignee: Intel Corporation (Santa Clara, CA) |
Technique for generating single-bit error-correcting, two-bit burst error-detecting codes
A technique for generating correction codes that can correct a single error and detect two adjacent errors in an information word for a range of (n, k) values, where k denotes the length of the inform... Read More
Inventors: Bodnar, Lance M.;, Assignee: TRW Inc. (Redondo Beach, CA) |
Methods for maximizing routability in a programmable interconnect matrix having less than full connectability
The connectivity, connectability and routability of a connection circuit, hereinafter "programmable interconnect matrix" or "PIM," are, as stated above, characteristics of the PIM that are quite inte... Read More
Inventors: Nazarian, Hagop A.; Douglass, Stephen M.; Graf, W. Alfred; Raza, S. Babar; Rajan, Sundar; Borzin, Shiva Sorooshian; Newman, Darren;, Assignee: Cypress Semiconductor Corp. (San Jose, CA) |
Microprocessor integrated circuit working in internal ROM and external RAM mode
The present invention is aimed at proposing a more efficient, less lengthy and less costly system to develop a microprocessor integrated circuit incorporating the microprocessor and a ROM of programs ... Read More
Inventors: Nicolai, Jean;, Assignee: SGS Thomson Microelectronics, S.A. (Gentilly, FR) |
Method and apparatus for resetting, enabling and freezing a communication device in a diagnostic process
What is claimed is: 1. A communication system, comprising: a host interface for providing a host with access to internal elements of said communication system, and diagnostic circuitry for stopping sa... Read More
Inventors: Simmons, Philip; Kerstein, Denise; Runaldue, Thomas J.; Egbert, Chandan; Erimli, Bahadir;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
Code instrumentation system with non intrusive means and cache memory optimization for dynamic monitoring of code segments
Accordingly, the present invention is directed to a system and method for monitoring performance in an information handling system in a minimally intrusive manner. The method of the present invention ... Read More
Inventors: Blandy, Geoffrey Owen; Saba, Maher Afif; Urquhart, Robert J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Method and apparatus for dynamically optimizing an executable computer program using input data
According to principles of the invention, a method and apparatus for using input data to optimize a computer program for execution on a target computer is provided. Initially, the computer program is ... Read More
Inventors: Ravichandran, Hari K.;, Assignee: Sun Microsystems, Inc. (Palo Alto, CA) |
Method and apparatus for profiling indirect procedure calls in a computer program
As discussed in the Background section, the generation of profile data for direct procedure calls is relatively straightforward. However, the generation of profile data for indirect procedure calls i... Read More
Inventors: Hanson, Scott Patrick; Schmidt, William Jon;, Assignee: International Business Machines Corporation (Armonk, NY) |
Profile driven optimization of frequently executed paths with inlining of code fragment (one or more lines of code from a child procedure to a parent procedure)
Unfortunately, traditional inlining is often unable to substantially reduce the procedure call overhead of a program where to do so would be highly advantageous. In particular, when calling a procedur... Read More
Inventors: Donovan, Robert John; Roediger, Robert Ralph; Schmidt, William Jon;, Assignee: International Business Machines Corporation (Armonk, NY) |
Method of, system for, and computer program product for providing efficient utilization of memory hierarchy through code restructuring
The invention disclosed herein comprises a method of, a system for, and an article of manufacture for providing code restructuring based on profiling information and memory hierarchy, that is also sca... Read More
Inventors: Ju, Dz Ching; Muthukumar, Kalyan; Ramaswamy, Shankar; Simons, Barbara Bluestein;, Assignee: International Business Machines Corporation (Armonk, NY) |
Software reconfiguration engine
The present invention relates generally to computer system software development and maintenance. More particularly, the invention relates to a reconfiguration system for applying source code and data ... Read More
Inventors: Richley, Thomas E.;, Assignee: Tominy, Inc. (Cincinnati, OH) |
Automated validation and verification of computer software
The present invention discloses a method and apparatus for automatic validation and verification of computer software. The software to be tested is first retrieved from a software library and compiled... Read More
Inventors: Goossen, Emray R.; Shema, David K.; Lippitt, Carl E.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
System for generating test data
A system for generating test data that overcomes these and other problems has a data structure definition system, a message creation system, and an execution system. The execution system executes the ... Read More
Inventors: Beeker, Scott A.; Falvey, Cornelius J.; Mullally, Mark P.;, Assignee: MCI Communications Corporation (Washington, DC) |
Diabetes management
According to a first aspect of the present invention there is provided a method of predicting the level of a glycosylated haemoglobin component in a patient's blood using previously measured blood glu... Read More
Inventors: Heinonen, Pekka; Makipaa, Mikko;, Assignee: Nokia Mobile Phones Ltd (Espoo, FI) |
Method and apparatus for code translation optimization
OF PREFERRED EMBODIMENTS Generally, the present invention provides a method of optimizing software translation. Specifically, when a microprocessor accesses a block of computer code, a determination ... Read More
Inventors: Breternitz, Jr., Mauricio; Smith, Roger Alan;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and computer system for loading objects
To achieve the foregoing objectives, the present invention executes the following steps in a computer system loading an object-oriented program including a plurality of objects into a main memory of t... Read More
Inventors: Nakamura, Hiroaki; Onodera, Tamiya; Takauchi, Mikio;, Assignee: International Business Machines Corp. (Armonk, NY) |
Graphical design processing apparatus for assessing and modifying design of components
It is therefore an object of the present invention to provide a graphic data processing apparatus which permits even an unskilled or unexperienced designer or production engineer to produce or generat... Read More
Inventors: Yamamoto, Takemi; Yoshida, Hitoshi; Yokoi, Katsuhiko;, Assignee: Brother Kogyo Kabushiki Kaisha (Aichi, JP) |
Developers tool for object-oriented programming
The present invention fulfills this need in the art by providing a software developer's tool to help write application programs for an object-oriented operating system including a storage device holdi... Read More
Inventors: Maurer, Joseph Clark;, Assignee: |
Method and apparatus for storing templates in a component system
The present invention provides a component system in which a number of base applications, i.e. components, such as file viewers, spreadsheets, draw/diagram utilities, etc. may be customized by a user ... Read More
Inventors: Buxton, Jeffrey J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Method and apparatus for executing tasks by following a linked list of memory packets
OF THE EMBODIMENT FIG. 1 is a high level block diagram of a task flow computing machine 10. Machine 10 comprises a plurality of cells 12 coupled together by an interconnection network. Each cell cont... Read More
Inventors: Horst, Robert W.;, Assignee: Tandem Computers Incorporated (Cupertino, CA) |
Optical fiber bus controller
FIG. 1 illustrates system 100 which implements the invention. System 100 comprises a number of terminals 103 through 106, each capable of transmitting and receiving data to and from optical fiber bus... Read More
Inventors: Grimes, Gary J.; Haas, Lawrence J.; Sauer, Jon R.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Low-latency real-time dispatching in general purpose multiprocessor systems
The present invention provides a method of real-time dispatching in a general purpose multiprocessor system having N processors. A priority is assigned to each of the multiple real-time threads to be ... Read More
Inventors: Bitar, Nawaf K.; Ananthanarayanan, Rajagopal; English, Robert M.;, Assignee: Silicon Graphics, Inc. (Mountain View, CA) |
Fault Detection 
