Patents
Patents for G11C 29 - Checking stores for correct operation; Testing stores during standby or offline operation (30,524)
03/1993
03/24/1993EP0533608A2 Method and apparatus for ensuring the recoverability of vital data in a data processing system
03/24/1993EP0533375A2 Computer system having memory testing means
03/23/1993US5197070 Scan register and testing circuit using the same
03/23/1993US5197031 Method for writing data in testing memory device and circuit for testing memory device
03/23/1993US5197030 Semiconductor memory device having redundant memory cells
03/23/1993CA1314988C Memory device and method implementing wordline redundancy without an access time penalty
03/18/1993WO1993005512A1 Semiconductor storage device
03/17/1993EP0532356A2 Method of recording data and information regarding defects
03/17/1993EP0532087A2 Process for checking the memories of a programmed micro-computer, by means of a micro-programme incorporated in the micro-computer itself
03/16/1993US5195096 Method of functionally testing cache tag RAMs in limited-access processor systems
03/16/1993US5195057 Semiconductor memory device having a redundant memory which can be selectively placed in a not-in-use status
03/10/1993EP0530835A1 Testing circuit provided in digital logic circuits
03/10/1993EP0530714A2 Semiconducteur integrated circuit device allowing change of product specification and chip screening method therewith
03/10/1993EP0530554A2 Scrubbing and sparing in a memory system
03/10/1993EP0530376A1 Semiconductor memory having nonvolatile semiconductor memory cell
03/10/1993CN1069821A 半导体存储器件应力状态的自动测试设备 Automatic Test Equipment semiconductor memory device stress state
03/09/1993US5193175 Fault-tolerant computer with three independently clocked processors asynchronously executing identical code that are synchronized upon each voted access to two memory modules
03/03/1993EP0529945A2 Method and apparatus for programmable memory control with error regulation and test functions
03/03/1993EP0529330A2 System with laser link decoder for DRAM redundancy scheme
03/03/1993EP0184737B1 Semiconductor memory device having error detection/correction function
02/1993
02/25/1993DE4226047A1 Eine interne spannungsversorgung erzeugender schaltkreis An internal power supply generating circuit
02/25/1993DE4201516A1 Vorrichtung zum automatischen testen eines beanspruchungsbetriebes einer halbleiterspeichervorrichtung An apparatus for automatically testing a stress-operation of a semiconductor memory device
02/24/1993EP0528744A2 Latch assisted fuse testing for customized integrated circuits
02/24/1993EP0528280A1 Memory card apparatus
02/24/1993EP0528234A2 Data processing system for generating data bits based on stored data
02/16/1993US5187685 Complementary MISFET voltage generating circuit for a semiconductor memory
02/09/1993US5185884 Computer controlled optimized pairing of disk units
02/09/1993US5185744 Semiconductor memory device with test circuit
02/09/1993US5185722 Semiconductor memory device having a memory test circuit
02/09/1993US5185720 Memory module for use in a large reconfigurable memory
02/03/1993EP0525941A2 Method of self-diagnosing a mobile telephone set for use in a mobile telephone switching system and mobile telephone set being applied to the method
02/03/1993EP0525771A2 Data processing device comprising a multiport RAM as a sequential circuit
02/03/1993EP0525680A2 Data latch circuit having non-volatile memory cell
02/03/1993EP0525068A1 Integrated circuit i/o using a high preformance bus interface
02/02/1993US5184327 Semiconductor memory device having on-chip test circuit and method for testing the same
02/02/1993US5184326 Integrated semiconductor memory of the dram type and method for testing the same
02/02/1993US5184067 Signature compression circuit
01/1993
01/28/1993DE4132298A1 Halbleiterspeicher-redundanz A semiconductor memory redundancy
01/21/1993WO1992015931A3 Redundant shift registers for scanning devices
01/21/1993DE4223273A1 Mask programmable ROM with error correction circuit - uses parity data to correct bit errors in data read=out via selected word lines
01/21/1993DE4223127A1 Test state switching on circuit for memory testing - has level detector, Schmitt trigger, flip=flop and latch, and switches output between reference and operating voltage
01/21/1993DE4216211A1 Redundancy circuit for semiconductor memory - has reference voltage circuit coupled to reserve signal reference line and HV circuits for FLOTOX transistors
01/20/1993EP0523996A1 Integrated circuit memory device with redundant rows
01/20/1993EP0523973A2 A configurable self-test for embedded RAMs
01/20/1993EP0523793A1 Iron with detector for nature of textile
01/20/1993EP0523760A2 Serial accessed semiconductor memory
01/20/1993EP0523759A2 Serial accessed semiconductor memory
01/19/1993US5181205 Short circuit detector circuit for memory arrays
01/14/1993DE4220196A1 Error correction system for semiconductor memory - uses syndrome signal to provide correction signal for each stored data group
01/14/1993DE4129275C1 Function testing memory in dependence on zone addresses - comparing contents of each zone with assigned stipulated data word
01/13/1993EP0305987B1 Self-correcting semiconductor memory device and microcomputer incorporating the same
01/12/1993US5179537 Semiconductor memory device having monitoring function
01/12/1993US5179536 Semiconductor memory device having means for replacing defective memory cells
01/12/1993US5179534 Method and apparatus for setting desired logic state at internal point of a select storage element
01/05/1993US5177745 Memory device with a test mode
01/05/1993US5177744 Method and apparatus for error recovery in arrays
01/05/1993US5177573 Semiconductor integrated circuit device
12/1992
12/30/1992EP0520696A2 Semiconductor memory/integrated circuit device with discriminator for diagnostic mode of operation
12/30/1992EP0520449A2 Semiconductor memory device
12/30/1992EP0520356A1 Semiconductor integrated circuit equipped with diagnostic circuit
12/30/1992EP0462876B1 Circuit for testing electrically programmable memory cells
12/29/1992US5175839 Storage control system in a computer system for double-writing
12/23/1992WO1992022865A1 Phantom duplex copy group apparatus for a disk drive array data storage subsystem
12/23/1992EP0519669A2 Encoding and rebuilding data for a DASD array
12/23/1992EP0519584A2 Semiconductor memory
12/22/1992US5173906 Built-in self test for integrated circuits
12/16/1992EP0518603A2 Distributed sparing in DASD arrays
12/16/1992EP0517823A1 Data corrections applicable to redundant arrays of independent disks
12/15/1992US5172339 Semiconductor memory device having error checking and correcting circuit and operating method therefor
12/09/1992EP0517354A2 Semiconductor memory circuit having a test logic circuit structure
12/09/1992EP0281740B1 Memories and the testing thereof
12/08/1992US5170484 Massively parallel array processing system
12/08/1992US5170398 Pattern generating apparatus for memory having a logical operation function
12/02/1992EP0516364A2 Semiconductor memory device having burn-in test circuit
12/02/1992EP0515577A1 Making and testing an integrated circuit using high density probe points
12/02/1992EP0215485B1 Semiconductor memory device
12/01/1992US5168501 Method for checking hardware errors
12/01/1992US5168468 Semiconductor memory device with column redundancy
12/01/1992US5168465 Highly compact EPROM and flash EEPROM devices
12/01/1992US5168216 System for testing high-speed digital circuits
11/1992
11/26/1992DE4124572A1 Halbleiterspeichervorrichtung mit redundanz A semiconductor memory device with redundancy
11/26/1992DE4121974A1 Hard disc drive controller for personal computer - has access time reduced using transputer based control processor operating with multiple parallel channels
11/25/1992EP0514664A2 Dynamic random access memory with a redundancy decoder
11/25/1992CN1019243B Method for writing data in testing memory device and circuit for testing memory device
11/25/1992CN1019238B Method for mode conversion of dual-port memory device
11/24/1992US5167032 Protecting a computer system against inaccessible data
11/24/1992US5166608 Arrangement for high speed testing of field-effect transistors and memory cells employing the same
11/24/1992CA1310761C Memory readback check apparatus
11/19/1992EP0514164A2 Efficiency improved DRAM row redundancy circuit
11/19/1992EP0513665A1 Semiconductor memory device having precharge control circuit for prohibiting digit line pair from precharging after replacement with redundant digit line pair
11/19/1992EP0513607A2 Method and apparatus for testing an NVM
11/17/1992US5165066 Contact chain structure for troubleshooting eprom memory circuits
11/17/1992US5165029 Cache memory with test function
11/17/1992US5164918 Integrated circuit
11/12/1992WO1992020068A1 Fast memory system employing mostly good memories
11/10/1992US5163168 Pulse signal generator and redundancy selection signal generator
11/10/1992US5163023 Memory circuit capable of replacing a faulty column with a spare column
11/05/1992DE4213574A1 ROM with optional predetermined outputs - has address recognition circuits enabling predetermined logic levels to be applied to output lines
11/04/1992EP0511560A2 Low voltage programmable storage element
11/03/1992US5161159 Semiconductor memory with multiple clocking for test mode entry