Patents
Patents for G11C 16 - Erasable programmable read-only memories (44,373)
08/1999
08/10/1999US5936890 Semiconductor flash memory having page buffer for verifying programmed memory cells
08/10/1999US5936889 Array of nonvolatile memory device and method for fabricating the same
08/10/1999US5936888 Semiconductor non-volatile memory device having floating gate type reference cell short-circuited between control gate electrode and floating gate electrode
08/10/1999US5936886 Semiconductor memory device having reduced variation of erasing and writing voltages supplied to each memory array
08/10/1999US5936885 Semiconductor memory capable of preventing erroneous inversion of data read from memory transistors
08/10/1999US5936884 Multiple writes per a single erase for a nonvolatile memory
08/10/1999US5936883 Split gate type transistor memory device
08/10/1999US5936881 Semiconductor memory device
08/10/1999US5936274 High density flash memory
08/05/1999WO1999039351A1 A voltage regulator and boosting circuit for reading a memory cell at low voltage levels
08/05/1999WO1999039350A1 A device with programmable memory and method of programming
08/05/1999WO1999009319A9 Two stage reciprocating compressors and associated hvac systems and methods
08/04/1999EP0933861A1 Power source circuit for generating positive and negative voltages
08/04/1999EP0933821A2 Low voltage one transistor flash eeprom cell using fowler-nordheim programming and erase
08/04/1999EP0933820A1 Semiconductor element and semiconductor memory device using the same
08/04/1999EP0933817A2 Semiconductor memory with stacked structure
08/04/1999EP0933785A1 Semiconductor device and power supply current detecting method
08/04/1999EP0933784A1 High voltage driver circuit for the decoding phase in multilevel non-volatile memory devices.
08/04/1999EP0933778A2 Nonvolatile semiconductor memory
08/04/1999EP0757836A4 An iterative method of recording analog signals
08/04/1999CN1224932A Semiconductor memory device
08/03/1999US5933846 Rewritable ROM file device having read/write buffer access control via copy of rewritable area
08/03/1999US5933845 Flash memory management method including shifting or copying data to other blocks to optimize storage space and allow entire blocks to be erased
08/03/1999US5933732 Nonvolatile devices with P-channel EEPROM devices as injector
08/03/1999US5933370 Trimbit circuit for flash memory
08/03/1999US5933367 Erasing method in nonvolatile semiconductor memory device
08/03/1999US5933365 Memory element with energy control mechanism
08/03/1999US5932908 Trench EPROM
08/03/1999US5931563 Method and device for erasing non-volatile semiconductor memory with smaller erase variation
07/1999
07/29/1999DE19839108A1 Circuit for memory cell sensing by several threshold voltages
07/28/1999EP0932161A1 Method for controlled erasing memory devices, in particular analog and multi-level flash-EEPROM devices
07/28/1999EP0931289A2 Nonvolatile writeable memory with program suspend command
07/28/1999CN1224220A Semiconductor memory capable of testing regardless of spare unit configuration
07/28/1999CN1044420C Nonvolatile semiconductor integrated circuit having address transition detector
07/27/1999US5930826 Flash memory protection attribute status bits held in a flash memory array
07/27/1999US5930815 Moving sequential sectors within a block of information in a flash memory mass storage architecture
07/27/1999US5930619 Method of making trench EPROM simultaneously with forming a DRAM cell
07/27/1999US5930195 Semiconductor memory device
07/27/1999US5930193 Memory system using a flash memory and method of controlling the memory system
07/27/1999US5930188 Memory circuit for performing threshold voltage tests on cells of a memory array
07/27/1999US5930179 Program circuit
07/27/1999US5930175 Voltage pump switch
07/27/1999US5930174 Circuit and method for erasing flash memory array
07/27/1999US5930173 Non-volatile semiconductor memory device having trapped charges pulled out
07/27/1999US5930171 Constant-current source with an EEPROM cell
07/27/1999US5930170 Voltage selection circuit suitable for use as ESD protection circuit for EEPROM
07/27/1999US5930169 Nonvolatile semiconductor memory device capable of improving of chip's lifetime and method of operating the same
07/27/1999US5930168 Flash memory with adjustable write operation timing
07/27/1999US5929480 Nonvolatile semiconductor memory device having first and second floating gates
07/27/1999US5928361 Data security device and method thereof
07/22/1999DE19835839A1 Memory cell arrangement with several threshold levels
07/22/1999DE19826021A1 Semiconductor memory arrangement
07/21/1999EP0930569A2 Trimbit circuit for flash memory integrated circuits
07/21/1999EP0832486A4 Nonvolatile memory blocking architecture and redundancy
07/21/1999CN1044295C Semiconductor nonvolatile memory device
07/20/1999US5926520 Shift register functioning in both latch mode and counter mode and flash memory employing same
07/20/1999US5926432 Semiconductor storage device having a hierarchical bit line structure
07/20/1999US5926425 Memory with bit line discharge circuit elements
07/20/1999US5926418 Method for programming a memory cell
07/20/1999US5926416 Electrically programmable non-volatile memory cells device for a reduced number of programming cycles
07/20/1999US5926413 Ferroelectric memory device
07/20/1999US5925908 Integrated circuit including a non-volatile memory device and a semiconductor device
07/20/1999US5925905 MOS circuit configuration for switching high voltages on a semiconductor chip
07/20/1999US5925904 Two-terminal electrically-reprogrammable programmable logic element
07/20/1999US5925139 Microcomputer capable of preventing writing errors in a non-volatile memory
07/15/1999WO1999035650A1 Flash memory partitioning for read-while-write operation
07/15/1999WO1999035649A1 A memory supporting multiple address protocols
07/14/1999EP0929076A2 Recording and playback intergrated system for analog non-volatile flash memory
07/14/1999EP0929036A2 Method and apparatus of column redundancy for non-volatile analog and multilevel memory integrated circuits
07/14/1999EP0928485A1 Two-transistor flash eprom cell
07/14/1999EP0928484A1 Charge sharing detection circuit for anti-fuses
07/14/1999EP0728359A4 Flash eprom integrated circuit architecture
07/14/1999EP0702833B1 Fast flash eprom programming and pre-programming circuit design
07/13/1999US5924113 Direct logical block addressing flash memory mass storage architecture
07/13/1999US5923978 Nonvolatile semiconductor memory and methods for manufacturing and using the same
07/13/1999US5923838 Microcomputer with built-in flash memory
07/13/1999US5923827 Facsimile apparatus using a memory management device having empty memory block maintenance function
07/13/1999US5923674 Semiconductor electrically erasable and writeable non-volatile memory device
07/13/1999US5923590 Device for reading cells of a memory
07/13/1999US5923589 Non-volatile semiconductor memory device having long-life memory cells and data erasing method
07/13/1999US5923588 Non-volatile semiconductor memory device with a plurality of programming voltage levels
07/13/1999US5923587 Multi-bit memory cell array of a non-volatile semiconductor memory device and method for driving the same
07/13/1999US5923586 Nonvolatile memory with lockable cells
07/13/1999US5923585 Source biasing in non-volatile memory having row-based sectors
07/09/1999CA2257730A1 Recording and playback integrated system for analog non-volatile flash memory
07/08/1999DE19860506A1 Programming system for EEPROMs, flash-EEPROMs, etc.
07/07/1999EP0928003A2 Row decoder circuit for an electronic memory device, particularly for low voltage application
07/07/1999EP0578821B1 Semiconductor device
07/07/1999EP0561271B1 Microcomputer comprising a random access memory and a nonvolatile flash memory
07/07/1999CN1222246A Nonvolatile semiconductor storage device
07/07/1999CN1221957A Semiconductor nonvolatile memory device
07/07/1999CN1044046C Electrically erasable phase change memory
07/06/1999US5920519 Semiconductor memory with sensing stability
07/06/1999US5920509 Nonvolatile semiconductor memory device capable of conditioning over-erased memory cells
07/06/1999US5920508 Semiconductor memory device
07/06/1999US5920507 Nonvolatile semiconductor memory device
07/06/1999US5920506 Method and apparatus for bulk preprogramming flash memory cells with minimal source and drain currents
07/06/1999US5920505 Negative word line voltage regulation circuit for electrically erasable semiconductor memory devices
07/06/1999US5920504 Semiconductor memory having embedding lockable cells
07/06/1999US5920503 Flash memory with novel bitline decoder and sourceline latch