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Class Information
Number: 714/724
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Digital logic testing
Description: Subject matter in which the diagnostic test is performed upon a system or element performing a binary logic operation upon a signal having plural distinct discrete states.


Sub-classes under this class:

Class Number Class Name Patents
714/733 Built-in testing circuit (bilbo) 980
714/745 Determination of marginal operation limits 161
714/736 Device response compared to expected fault-free response 676
714/737 Device response compared to fault dictionary/truth table 82
714/735 Device response compared to input pattern 271
714/738 Including test pattern generator 763
714/725 Programmable logic array (pla) testing 282
714/726 Scan path testing (e.g., level sensitive scan design (lssd)) 911
714/732 Signature analysis 270
714/734 Structural (in-circuit test) 454


Patents under this class:
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Patent Number Title Of Patent Date Issued
6910164 High-resistance contact detection test mode Jun. 21, 2005
6903566 Semiconductor device tester Jun. 7, 2005
6897678 Programmable logic device with circuitry for observing programmable logic circuit signals and for preloading programmable logic circuits May. 24, 2005
6898563 System for aiding in the design of combinatorial logic and sequential state machines May. 24, 2005
6898720 Scalable extensible network test architecture May. 24, 2005
6898745 Integrated device with operativity testing May. 24, 2005
6898746 Method of and apparatus for testing a serial differential/mixed signal device May. 24, 2005
6898747 Method for testing circuit units to be tested with increased data compression for burn-in May. 24, 2005
6898748 Test circuit method and apparatus May. 24, 2005
6893973 Method of etching silicon nitride film and method of producing semiconductor device May. 17, 2005
6894503 Preconditional quiescent current testing of a semiconductor device May. 17, 2005
6895536 Testable up down counter for use in a logic analyzer May. 17, 2005
6895539 Universal method and apparatus for controlling a functional test system May. 17, 2005
6895548 Semiconductor testing apparatus and method for optimizing a wait time until stabilization of semiconductor device output signal May. 17, 2005
6888366 Apparatus and method for testing a plurality of semiconductor chips May. 3, 2005
6889334 Multimode system for calibrating a data strobe delay for a memory read operation May. 3, 2005
6889348 Tester architecture construction data generating method, tester architecture constructing method and test circuit May. 3, 2005
6885952 System and method for determining voltage levels Apr. 26, 2005
6885961 Hybrid tester architecture Apr. 26, 2005
6885962 Signal inspection device Apr. 26, 2005
6886122 Method for testing integrated circuits with memory element access Apr. 26, 2005
6882620 Token exchange system with fault protection Apr. 19, 2005
6883134 Method and program product for detecting bus conflict and floating bus conditions in circuit designs Apr. 19, 2005
6880116 System for testing multiple devices on a single system and method thereof Apr. 12, 2005
6880137 Dynamically reconfigurable precision signal delay test system for automatic test equipment Apr. 12, 2005
6876207 System and method for testing devices Apr. 5, 2005
6871308 Semiconductor inspection method Mar. 22, 2005
6871309 Verification of redundant safety functions on a monolithic integrated circuit Mar. 22, 2005
6871310 Binary time-frame expansion of sequential systems Mar. 22, 2005
6868512 Fault detection system with real-time database Mar. 15, 2005
6868532 Method and program product for designing hierarchical circuit for quiescent current testing and circuit produced thereby Mar. 15, 2005
6864699 Apparatus for testing integrated circuits having an integrated unit for testing digital and analog signals Mar. 8, 2005
6865703 Scan test system for semiconductor device Mar. 8, 2005
6858447 Method for testing semiconductor chips Feb. 22, 2005
6857089 Differential receiver architecture Feb. 15, 2005
6857090 System and method for automatically analyzing and managing loss factors in test process of semiconductor integrated circuit devices Feb. 15, 2005
6857091 Method for operating a TAP controller and corresponding TAP controller Feb. 15, 2005
6851079 Jtag test access port controller used to control input/output pad functionality Feb. 1, 2005
6848049 Method and apparatus for the authentication of integrated circuits Jan. 25, 2005
6848066 Error reduction in semiconductor processes Jan. 25, 2005
6845345 System for monitoring and analyzing diagnostic data of spin tracks Jan. 18, 2005
6845477 Semiconductor test device for conducting an operation test in parallel on many chips in a wafer test and semiconductor test method Jan. 18, 2005
6839874 Method and apparatus for testing an embedded device Jan. 4, 2005
6836757 Emulation system employing serial test port and alternative data transfer protocol Dec. 28, 2004
6836864 Methods of testing a digital frequency synthesizer in a programmable logic device using a reduced set of multiplier and divider values Dec. 28, 2004
6829553 Method of and apparatus for measuring the correctness of and correcting an automatic test arrangement Dec. 7, 2004
6829730 Method of designing circuit having multiple test access ports, circuit produced thereby and method of using same Dec. 7, 2004
6822474 On chip logic analyzer debug bus Nov. 23, 2004
6822482 Dynamic scan circuitry for B-phase Nov. 23, 2004
6823293 Hierarchical power supply noise monitoring device and system for very large scale integrated circuits Nov. 23, 2004

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