Patents
Sitemap › G11 - Information storage › G11C - Static stores › G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133)
12/1997
12/29/1997EP0814479A2 Semiconductor circuit having circuit supplying voltage higher than power supply voltage
12/23/1997US5701274 Semiconductor device with selectable device information
12/23/1997US5701265 Serial dichotomic method for sensing multiple-level non-volatile memory cells, and sensing circuit implementing such method
12/17/1997EP0813290A2 Multi-stage voltage-boosting circuit with boosted back-gate bias
12/17/1997CN1167988A Nonvolatile semiconductor memory
12/16/1997US5699311 Semiconductor memory device
12/16/1997US5699306 Row redundancy for nonvolatile semiconductor memories
12/16/1997US5699296 Threshold voltage verification circuit of a non-volatile memory cell and program and erasure verification method using the same
12/16/1997US5699295 Current detection circuit for reading a memory in integrated circuit form
12/16/1997US5698872 Semiconductor memory wherein metallic interconnection layer is applied with the same potential as word line and is connected to word line in regions other than memory cells
12/11/1997WO1997047041A2 Programmable, non-volatile memory device, and method of manufacturing such a device
12/10/1997EP0811982A2 Non-volatile ferroelectric memory device for storing data bits restored upon power-on and intermittently refreshed
12/10/1997EP0811981A2 Method of controlling non-volatile ferroelectric memory cell for inducing a large amount of electric charge representative of data bit
12/09/1997US5696717 Nonvolatile integrated circuit memory devices having adjustable erase/program threshold voltage verification capability
12/09/1997US5696715 Semiconductor memory device having bipolar and field effect transistors and an improved coupling arrangement for logic units or logic blocks
12/04/1997WO1997045872A1 Method and apparatus for programming anti-fuses using internally generated programming voltage
12/03/1997CN1036628C Grounded memory cards
12/02/1997US5694611 Microcomputer including internal and direct external control of EEPROM and method of making the microcomputer
12/02/1997US5694538 Memory rewriting apparatus
12/02/1997US5694360 Write to flash EEPROM built in microcomputer
12/02/1997US5694359 Flash memory device
12/02/1997US5694358 Nonvolatile semiconductor memory device
12/02/1997US5694357 Nonvolatile semiconductor memory device for storing multi-value data
12/02/1997US5694047 Method and system for measuring antifuse resistance
11/1997
11/26/1997EP0809253A2 Data latching circuit for read-out operations of data from memory device
11/26/1997EP0698271A4 Memory core organization
11/25/1997US5691944 Non-volatile semiconductor memory device
11/25/1997US5691943 Page mode mask ROM using a two-stage latch circuit and a method for controlling the same
11/19/1997EP0808014A2 A voltage booster circuit
11/19/1997EP0807936A2 Nonvolatile semiconductor memory device capable of supplying erasing voltage to a flash memory cell
11/18/1997US5689470 Semiconductor memory device and method for accessing a memory in the same
11/18/1997US5689468 Semiconductor memory device and method for driving the same
11/18/1997US5689463 Semiconductor memory device
11/18/1997US5689459 Low voltage one transistor flash EEPROM cell using Fowler-Nordheim programming and erase
11/18/1997US5689455 Circuit for programming antifuse bits
11/18/1997US5689453 Data storing apparatus having a memory capable of storing analog data
11/11/1997US5687352 Memory device controlled by control signals in the form of gray code
11/11/1997US5687124 Circuit for identifying a memory cell having erroneous data stored therein
11/11/1997US5687120 Low voltage one transistor flash eeprom cell using fowler-nordheim programming and erase
11/06/1997WO1997041501A1 Signal processing system and method with rom storing instructions encoded for reducing power consumption during reads
11/04/1997US5684747 Method for erasing nonvolatile semiconductor memory device incorporating redundancy memory cells
11/04/1997US5684740 Semiconductor memory and method for substituting a redundancy memory cell
11/04/1997US5684733 Fixed resistance high density parallel ROM device
11/04/1997US5684732 Semiconductor devices
10/1997
10/30/1997DE19531683C2 Flash-Speicher mit Datenauffrischfunktion und Datenauffrischverfahren eines Flash-Speichers Flash memory with Datenauffrischfunktion and Datenauffrischverfahren a flash memory
10/28/1997US5682389 Non-volatile memory device having built-in test pattern generator used in a diagnostic operation on control signal lines for data propagation path
10/28/1997US5682349 Failure tolerant memory device, in particular of the flash EEPROM type
10/28/1997US5682347 Data reading method in semiconductor storage device capable of storing three-or multi-valued data in one memory cell
10/28/1997US5682106 Logic module for field programmable gate array
10/22/1997EP0802569A1 FLASH-EPROM integrated with EEPROM
10/22/1997EP0802540A2 Multilevel memory system
10/22/1997CN1163039A Process for coating electrically non-conducting surface with connected metal structures
10/22/1997CN1036231C 半导体存储器件 A semiconductor memory device
10/21/1997US5680360 Circuits for improving the reliablity of antifuses in integrated circuits
10/21/1997US5680349 Nonvolatile semiconductor memory device having row decoder supplying a negative potential to word lines during erase mode
10/14/1997US5677888 Redundancy circuit for programmable integrated circuits
10/14/1997US5677874 Nonvolatile semiconductor memory device
10/14/1997US5677873 Methods of programming flash EEPROM integrated circuit memory devices to prevent inadvertent programming of nondesignated NAND memory cells therein
10/14/1997US5677870 Non-volatile programmable bistable multivibrator, programmable by the source, for the memory redundancy circuit
10/14/1997US5677868 Batch erasable nonvolatile memory device and erasing method
10/14/1997US5677843 Embroidery data storing device
10/14/1997CA2069236C Method of self-diagnosing a mobile telephone set for use in a mobile telephone switching system and mobile telephone set being applied the method
10/09/1997WO1997037355A1 Semiconductor nonvolatile storage device
10/07/1997US5675547 Semiconductor storage device
10/07/1997US5675538 Non-volatile semiconductor memory device having a reference voltage applied to a sense line after data read out is complete
10/07/1997US5675535 Sense amplifier having a high operation speed and a low power consumption
10/07/1997US5675531 Device for information storage using field emission
10/07/1997US5675279 Voltage stepup circuit for integrated semiconductor circuits
10/02/1997DE19612671A1 Programmable micro-electronic memory cell esp. for CD memory application
09/1997
09/30/1997US5673228 Integrated circuit having an EEPROM, semiconductor wafer provided with such integrated circuits, and method of testing such a semiconductor wafer
09/30/1997US5673223 Nonvolatile semiconductor memory device with multiple word line voltage generators
09/30/1997US5673222 Nonvolatile semiconductor memory device
09/30/1997US5673221 Circuit and method for reading a memory cell that can store multiple bits of data
09/30/1997US5673218 Electronic information storage device
09/30/1997US5672994 Antifuse circuit using standard MOSFET devices
09/30/1997US5672989 Nonvolatile semiconductor integrated circuit having an address transition detector
09/24/1997EP0797214A2 Semiconductor storage device
09/24/1997EP0797213A1 Non-volatile semiconductor memory
09/24/1997EP0797146A1 Data input/output managing device, particularly for a non-volatile memory
09/23/1997US5671239 Semiconductor memory of xN type having error correcting circuit by parity
09/23/1997US5671229 Flash eeprom system with defect handling
09/23/1997US5671189 Low standby power redundancy circuit
09/23/1997US5671180 Semiconductor memory device with function of preventing loss of information due to leak of charges or disturbing
09/23/1997US5671178 Erase verifying circuit for a nonvolatile semiconductor memory with column redundancy
09/23/1997US5671177 Non-volatile semiconductor storage apparatus
09/23/1997US5671176 Semiconductor memory device including program inhibition capacitors and method for controlling program-disturb of non-selected memory cells
09/23/1997US5670402 Method of manufacturing core implanted semiconductor devices
09/18/1997WO1997034254A1 Smart card
09/18/1997DE19610070A1 Chipkarte Smart card
09/16/1997US5668759 Method for erasing and verifying nonvolatile semiconductor memory
09/16/1997US5668754 Ferroelectric memory cell and reading/writing method thereof
09/16/1997US5668752 Multi-stage ROM wherein a cell current of a selected memory cell is compared with a plurality of constant currents when driven to read voltages
09/16/1997US5668751 Antifuse programming method and apparatus
09/09/1997US5666308 Writing circuit for non-volatile memory
09/09/1997US5666307 PMOS flash memory cell capable of multi-level threshold voltage storage
09/09/1997US5666304 Semiconductor memory device and method of fabricating the same
09/09/1997US5666276 Power supply circuit for selectively supplying normal read voltage and high voltage to semiconductor memory
09/03/1997EP0793173A2 Non-volatile semicon-ductor storage unit having a correction coding circuit
09/02/1997US5663922 Method for the anticipated reading of serial access memory, and memory pertaining thereto
09/02/1997US5663921 Internal timing method and circuit for programmable memories
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