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7406643 |
Semiconductor integrated circuit device, method of manufacturing the device, and computer readable medium
A semiconductor integrated circuit device which guarantees the characteristics of writing to and reading from the built-in memory even when the manufacturing process conditions are varied, a method...
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7401281 |
Remote BIST high speed test and redundancy calculation
Disclosed is a hybrid built-in self test (BIST) architecture for embedded memory arrays that segments BIST functionality into remote lower-speed executable instructions and local higher-speed...
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7304875 |
Content addressable memory (CAM) devices that support background BIST and BISR operations and methods of operating same
Search engine devices include a content addressable memory (CAM) core having a plurality of CAM array blocks therein and a control circuit. The control circuit, which is electrically coupled to the...
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7279918 |
Methods for wafer level burn-in
A method, circuit and system for determining burn-in reliability from wafer level burn-in are disclosed. The method includes recording the number of failures in each IC die in nonvolatile elements...
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7275190 |
Memory block quality identification in a memory device
If a memory block in a flash memory device is found to have a defect, a memory block quality indication is generated in response to the type of memory defect. This indication is stored in the...
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7272758 |
Defective memory block identification in a memory device
During manufacture and testing of a memory device, a memory test is performed to determine which, if any, memory blocks are defective. A memory map of the defective blocks is stored in one of the...
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7243260 |
Programmable controller unit and method of automatically restoring memory
A unit for a programmable controller includes a user program memory storing a user program to be read out for carrying out a calculation process and a backup memory storing data with the same...
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7215134 |
Apparatus for determining burn-in reliability from wafer level burn-in
A method, circuit and system for determining burn-in reliability from wafer level burn-in are disclosed. The method according to the present invention includes recording the number of failures in...
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7212456 |
Apparatus for dynamically repairing a semiconductor memory
An architecture for dynamically repairing a semiconductor memory, such as a Dynamic Random Access Memory (DRAM), includes circuitry for dynamically storing memory element remapping information....
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7210085 |
Method and apparatus for test and repair of marginally functional SRAM cells
A method of manufacturing a device having embedded memory including a plurality of memory cells. During manufacturing test, a first test stress is applied to selected cells of the plurality of...
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7206984 |
Built-in self test circuit and test method for storage device
A built-in self test circuit includes a capture register storing data transmitted from a memory device, an operation controller controlling operation of the memory device and the capture register,...
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7194667 |
System for storing device test information on a semiconductor device using on-device logic for determination of test results
A system for testing a semiconductor device and storing device test results in nonvolatile memory elements on the tested device, in which the semiconductor device includes logic circuitry which...
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7171592 |
Self-testing circuit in semiconductor memory device
A semiconductor memory device includes a self-testing circuit and a self-redundancy circuit with simple structures. The self-testing circuit includes a comparison circuit which compares write data...
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7119568 |
Methods for wafer level burn-in
A method, circuit and system for determining burn-in reliability from wafer level burn-in are disclosed. The method includes recording the number of failures in each IC die in nonvolatile elements...
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7114113 |
Test circuit provided with built-in self test function
A test circuit includes an input circuit for inputting data to select a test mode relative to a circuit to be tested and outputting result of selection of the test mode in synchronization with a...
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7073112 |
Compilable address magnitude comparator for memory array self-testing
An apparatus that improves Built-In-Self-Test (BIST) flexibility. A compilable address magnitude comparator facilitates BIST testing of different size memory arrays without requiring customization...
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7038481 |
Method and apparatus for determining burn-in reliability from wafer level burn-in
A method and apparatus for determining burn-in reliability from wafer level burn-in are disclosed. The method according to the present invention includes recording the number of failures in each IC...
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7007212 |
Transmission device, reception device, test circuit, and test method
The present invention provides a transmission device, a reception device, a test circuit and a test method, which enable internal parts of the circuit to operate at high speed, while performing...
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6978411 |
Memory test system for peak power reduction
A memory test system for peak power reduction. The memory test system includes a plurality of memories, a plurality of memory built-in self-test circuits and a plurality of delay units. Each of the...
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6977855 |
Apparatus and method for dynamically repairing a semiconductor memory
An architecture for dynamically repairing a semiconductor memory, such as a Dynamic Random Access Memory (DRAM), includes circuitry for dynamically storing memory element remapping information....
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EP1583009A1 |
Method and apparatus for designing and manufacturing electronic circuits subject to process variations
Abstract not available
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6943575 |
Method, circuit and system for determining burn-in reliability from wafer level burn-in
A method, circuit and system for determining burn-in reliability from wafer level burn-in are disclosed. The method according to the present invention includes recording the number of failures in...
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6922649 |
Multiple on-chip test runs and repairs for memories
A structure and method for performing on-chip test runs and repairs of a memory chip. In the first test run and repair, a BIST circuit obtains the original combined repair solution from a fuse bay...
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6910163 |
Method and configuration for the output of bit error tables from semiconductor devices
A method and a configuration for the output of bit error tables from semiconductor devices are described. A test control unit reads the bit error table from the memory device following a request...
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6894526 |
Apparatus for determining burn-in reliability from wafer level burn-in
An apparatus for determining burn-in reliability from wafer level burn-in is disclosed. The apparatus according to the present invention includes nonvolatile elements on an integrated circuit for...
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6879530 |
Apparatus for dynamically repairing a semiconductor memory
An architecture for dynamically repairing a semiconductor memory, such as a Dynamic Random Access Memory (DRAM), includes circuitry for dynamically storing memory element remapping information....
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6874110 |
Apparatus and method for self testing programmable logic arrays
A self-testing programmable logic array PLA system has an array of programmably interconnected logic cells, a built-in self-test (BIST) structure interconnected with the logic cells, and a BIST...
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6829737 |
Method and system for storing device test information on a semiconductor device using on-device logic for determination of test results
A method and system for testing a semiconductor device and storing device test results in nonvolatile memory elements on the tested device, in which the semiconductor device includes logic...
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6829176 |
Apparatus and method for dynamically repairing a semiconductor memory
An architecture for dynamically repairing a semiconductor memory, such as a Dynamic Random Access Memory (DRAM), includes circuitry for dynamically storing memory element remapping information....
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EP1480228A1 |
Method and device for at-speed storage of faults for built-in self-repair (BISR) of embedded-RAMs
A method and a device for at-speed storage of faults for Built-In Self-Repair (BISR) of embedded-RAMs are arranged such that the full failure bitmap for each failing word is stored in a fault...
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6754849 |
Method of and apparatus for testing CPU built-in RAM mixed LSI
A test apparatus includes a switch switched towards the ROM under the control of a signal output from the tester. When the switch is switched towards the ROM, the computer program for carrying out...
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6658610 |
Compilable address magnitude comparator for memory array self-testing
The present invention provides a method and apparatus that improves Built-In-Self-Test (BIST) flexibility without requiring the complexity of a compilable BIST circuit. Additionally, the present...
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6643807 |
Array-built-in-self-test (ABIST) for efficient, fast, bitmapping of large embedded arrays in manufacturing test
A structure and method for an integrated circuit which includes read/write memory having a plurality of memory devices, each of the memory devices having a unique address; a built-in self-test...
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5602414 |
Infrared detector having active regions and isolating regions formed of CdHgTe
In a method for fabricating an infrared detector, initially, a CdHgTe layer of a first conductivity type is produced on a front surface of a semiconductor substrate, a plurality of spaced apart...
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5198370 |
Method for producing an infrared detector
In a method of producing an infrared detector, a first conductivity type semiconductor layer, in which lattice vacancies acting as first conductivity type carriers are formed by evaporation of an...
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5156980 |
Method of making a rear surface incident type photodetector
A method for producing a photodetector device includes depositing a plurality of spaced apart light absorption regions at intervals on a substrate, depositing an insulating layer on the substrate...
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5095211 |
Infrared image sensor and image pick-up apparatus using the same
An infrared image sensor includes a plurality of Schottky type infrared detecting elements (8) arranged in array formed on one main surface of a semiconductor substrate (1a) or in a vicinity of the...
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5075748 |
Photodetector device
A rear surface incident type photodetector device includes spaced apart light absorption regions on a semi-insulating substrate, a semi-insulating layer covering the light absorption regions on the...
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